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Family RETUSIDAE crebrisculpta, Cylichnina [(Retusa crebrisculpta (Monterosato, 1884)] (Figures 31C, D) 1884h: 143 [XXXI: 799]—available name Type material. MCZR–M–16136 —2 sh from Palermo, material selected for PBE (1976), lacking the original label. Type locality. Described from Palermo and San Vito lo Capo (Sicily) and Napoli (Italy). Remarks. The type material was discussed by Oliverio & Tringali (2001: 129; 128, figs 28–29, 132, fig. 50). The actual identity and validity of the species is still problematic. Recorded by MolluscaBase (2018) as Retusa crebrisculpta (Monterosato, 1884).

striatissima, Scalaria [Epitonium striatissimum (Monterosato, 1878)] (Figures 11C, D) 1878a: 151 [XIX: 441]—available name Type material. MCZR–M–23508 —1 sh “Hyalosc. striatissima Monts Palermo ”. Label in the bottom: “ S. striatissima Monts. in Journ. de Conchyl. 1878 p. 151 (Pal. e S. Vito) En. e Sin. p. 38” Type locality. Described from Palermo (Sicily). Remarks. Recorded by MolluscaBase (2018) as Epitonium striatissimum (Monterosato, 1878)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 38, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

radula, Cordieria [Raphitoma radula (Monterosato, 1884)] (Figures 23A, B) 1884h: 132 [XXXI: 788]—available name Type material. MCZR–M–16476/L —1 sh (Lectotype) “ C. Radula Pal!!” designated by Pusateri et al. (2016: 111, figs 16, 17). MCZR –M–16476/P— 9 sh (Paralectotypes) “ C. Radula Pal!!” // 1 sh (Paralectotype) “ C. radula Monts C. di Prov. Nom.Gen. e sp.”. Label on the bottom “ Cordieria radula, Monts. Nomencl. p. 132 Palermo” Type locality. Palermo (Sicily). Described also from Lampedusa Is., coasts of Provence (France). Remarks. Name proposed to replace Pleurotoma purpurea (Montagu, 1803) sensu Philippi, 1844, considered a distinct species. Recorded by MolluscaBase (2018) as Raphitoma radula (Monterosato, 1884)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 62, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Pusateri, F., Giannuzzi-Savelli, R. & Bartolini, S. (2016) A revision of the Mediterranean Raphitomidae, 3: on the Raphitoma pupoides (Monterosato, 1884) complex, with the description of a new species (Mollusca Gastropoda). Biodiversity Journal, 7 (1), 103 - 115.","Philippi, R. A. (1844) Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Volumen secundum continens addenda et emendanda, nec non comparationem faunae recentis Siciliae cum faunis aliarum terrarum et com fauna periodi tertiariae. Eduard Anton, Halle [Halis Saxorum], iv + 303 pp., pls. XIII - XXVIII."]}

cionella, Eulima [Vitreolina cionella (Monterosato, 1878)] (Figures 18E, F) 1878a: 154 [XIX: 444]—available name Type material. MCZR–M–23901 —2 sh “ E. cionella Monts, Mondello, Marzo ‘76” Type locality. Described from Palermo (Sicily). Remarks. An elusive eulimid described with few words, as usual. The size pointed out in the description (height: 3 mm) is obviously excessive for this tiny shell, being possibly a miswriting for “ 1.3 mm ”. Gaglini (1992b) offered light photographs of a syntype and of its original label from the Monterosato collection, and assigned the species to the genus Vitreolina Monterosato, 1884. Despite it being quite a characteristic species, it has been recorded only occasionally (e.g. Gaglini, 1992b; Tringali, 1996; Gofas et al. 2011). Recorded by MolluscaBase (2018) as Vitreolina cionella (Monterosato, 1878). curva, Eulima [Vitreolina curva (Monterosato, 1874 ex Jeffreys ms.)] (Figures 18G, H) 1874 a: 269 [X: 195]—available name Type material. MCZR–M–23626 —3 sh “ Eulima curva Jeffr. Trapani ” handwriting by Brugnone // “ Eulima curva Jeffr. Monts. in Jour. Conchyl. 1874 varie località” Type locality. Described from Palermo, Trapani, and Milazzo † (Sicily), and Adriatic Sea (Italy). Remarks. Introduced with a concise description, yet effective to outline the characteristic shell shape. A full valid species belonging to the genus Vitreolina Monterosato, 1884. Recorded by MolluscaBase (2018) as Vitreolina curva (Monterosato, 1874)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 50, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Gaglini, A. (1992 b) Eulima cionella Monterosato, 1878. Bollettino Malacologico, 28 (9 - 12), 203 - 206.","Tringali, L. P. (1996) Ulteriori segnalazioni di Vitreolina cionella (Monterosato, 1878) (Eulima) dalle acque del Mediterraneo (Mollusca; Gastropoda: Prosobranchia). La Conchiglia, 28 (280), 43 - 44.","Gofas, S., Moreno, D. & Salas, C. (Eds.) (2011) Moluscos marinos de Andalucia. Vol. 1. Servicio de Publicaciones e Intercambio Cientifico, Universidad de Malaga, Malaga, xvi + 342 pp."]}

adriatica, Serrula [Donax trunculus Linnaeus, 1758] (Figures 37O, P) 1884h: 25[XXXI: 681]—available name Type material. MCZR–M–19349 —5 sh + 6 v “ Donax adriaticus ” // 2 sh “ Donax adriaticus M. Venezia!” label on the botton “ Donax adriaticus Monts n. sp. Venezia e Chioggia 1882”// MCZR–M–19348 —7 sh + 5 v “ Donax ponticus Monts ms. Crimea (Mar Nero) M.sa Paulucci” Type locality. Described from Venezia and Chioggia (Italy), Morea (= Peloponnese, Greece), and Black Sea. Remarks. Subsequently figured (1889a, pl. II, fig. 2). Recorded by MolluscaBase (2018) as a synonym of Donax trunculus Linnaeus, 1758., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 84, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

catenoides, Cyclostrema [Skenea catenoides (Monterosato, 1877)] (Figures 2M, N) 1877d: 417, 2 figures [XVIII: 353]—available name Type material. MCZR–M–11807 —1 sh “Magnisi”// 6 sh “Magnisi (Sicilia)”// 1 sh “Ognina”// 3 sh “Mondello”// 6 sh “ Cyclostrema catenoides Trapani da Allery ”. Label in the bottom: “ Cyclostrema catenoides Monts Ann. Mus. Civi. Genova 1876—77, p. 11 (fig. nel testo)” Type locality. Described from Palermo, Ognina, Magnisi, Trapani (Sicily), Pantelleria Is., and Civitavecchia, (Italy). Remarks. Recorded by MolluscaBase (2018) as Skenea catenoides (Monterosato, 1877). depressum, Cyclostrema [Dikoleps depressa (Monterosato, 1880)] 1878c: 80 [XIX: 394]—nomen nudum 1880c: 67 [XXVII: 551]—available name Type material. MCZR –M–11782 [label only] “ Cyclostrema depressum Monts n. sp. Pal. 1875, 200— 280 m!”. Type locality. Described from Palermo (Sicily). Remarks. The material figured by Gaglini (1987b: 6, figs 11, 12) from Palermo has not been found in the original box, where only the label remains. Recorded by MolluscaBase (2018) as Dikoleps depressa (Monterosato, 1880)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 25, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Gaglini, A. (1987 b) Spigolature ... monterosatiane. Notiziario del C. I. S. Ma., 9, 3 - 15."]}

recondita, Gibberula [Gibberula recondita Monterosato, 1884] (Figures 23G, H) 1884h: 138 [XXXI: 794]—available name Type material. HUJ — Lectotype (32431) and Paralectotype (36232), from Palermo, designated by van Aartsen et al. (1984: 87). MCZR –M–17196/P —1 sh (Paralectotype) “C. di Prov. (Artufel)”// 7 sh (Paralectotypes) “ Malta (Hagenmuller)”// 4 sh (Paralectotypes) “Is. di Lampedusa”// 1 sh (Paralectotype) “Magnisi”. Label on the box bottom: “ M. (Gibberula) recondita n. sp. Varie Località” “Gibb. recondita Monts. 1884 Nomencl. p. 138 Palermo!” MCZR –M–17181/P —17 + 3 sh (Paralectotypes) “ M. recondita M. Palermo ” Type locality. Palermo (Sicily). Described also from Magnisi (Sicily), Malta, Lampedusa Is., coasts of Provence (France), Algiers (Algeria). Remarks. Recorded by MolluscaBase (2018) as Gibberula recondita Monterosato, 1884., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 62-63, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["van Aartsen, J. J., Menkhorst, H. P. M. G. & Gittenberger, E. (1984). The marine Mollusca of the Bay of Algeciras, Spain, with general notes on the Mitrella, Marginellidae and Turridae. Basteria, 2 (Supplement), 135 pp."]}

decipiens, Turritella [Turritella decipiens Monterosato, 1878] (Figures 10C, D) 1878c: 89 [LIV: 403]—available name Type material. MCZR –M–21434 —7 sh “ Turritella decipiens Monts, Eponges de Barberia ”// 17 sh “ Turritella decipiens Monts, Sfax ”// 9 sh “ Turritella decipiens Sfax ”// 4 sh “Turr. decipiens Monts Spugne di Sfax ” // 5 sh “ Turritella decipiens Monts, Spugne di Barberia ”// 5 sh “Turr. decipiens M. Spugne ” Type locality. Described from coasts of Syria (see Remarks) and Algeria. Remarks. Redescribed by Di Geronimo (1974). Another case of confusion with “Coste di Siria ” pro “Coste d’Africa”. Recorded by MolluscaBase (2018) as Turritella decipiens Monterosato, 1878., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 35, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Di Geronimo, I. (1974) Molluschi bentonici in sedimenti recenti batiali ed abissali dello Jonio. Conchiglie, 10 (7 - 8), 133 - 172."]}

oblongus, Axinus [Mendicula oblonga (Monterosato, 1880)] (Figures 37I, J) 1875b: 14 [XIII: 240]—nomen nudum 1875c: 9 [XIV: 285]—nomen nudum 1877c: 31 [XVII: 329]—nomen nudum 1878c: 69 [XIX: 383]—nomen nudum 1880c: 58 [XXVII: 542]—available name Type material. MCZR –M–14654 —1 disarticulated sh / 15 v // 46 v + 12 sh “P” on the cork; Label on the bottom “ A. oblongus, Monts =? K. transversa, Forb. Pal!”// 7 v “Fic.” Type locality. Described from Ficarazzi † and off Palermo (Sicily). Remarks. Recorded by MolluscaBase (2018) as Mendicula oblonga (Monterosato, 1880)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 83, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

erronea, Leufroya [Raphitoma erronea (Monterosato, 1884)] (Figures 22M, N) 1884h: 134 [XXXI: 790]—available name Type material. MCZR –M–16704 —1 sh “Defrancia volutella Valenciennes Sardegna ” (Tiberi’s handwriting.) MCZR –M–17340 —1 sh “ Sardegna ”. Label on the bottom: “ Leufroya erronea, Monts. in Nom. gen. e sp. p. 126 Adr. (Stossich) Palermo (Monts)” Type locality. Described from Corsica (France), Sardinia, Palermo to San Vito lo Capo (Sicily) and Dalmatia (Croatia). Remarks. Name proposed to distinguish Pleurotoma volutella Valenciennes in Kiener, 1883 sensu auctores, considered as a distinct species. The specimen MCZR –M–16704, labeled by Tiberi, was figured as “ holotype ” by Pusateri & Giannuzzi-Savelli (2008: 123, fig. 15), which is not a valid designation of lectotype (ICZN, 1999: art. 74.6). Recorded by MolluscaBase (2018) as Raphitoma erronea (Monterosato, 1884)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 60-61, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Pusateri, F. & Giannuzzi-Savelli, R. (2008) A new Raphitomine neogastropod from the Mediterranean Sea (Conoidea). Iberus, 26 (2), 119 - 126.","ICZN [= International Commission on the Zoological Nomenclature] (1999) International Code of the Zoological Nomenclature. 4 th Edition. Adopted by the International Union of Biological Science, International Trust for the Zoological Nomenclature, Padova, xxix + 306 pp."]}

densa, Philbertia [Raphitoma densa (Monterosato, 1884)] (Figures 22K, L) 1884h: 133 [XXXI: 789]—available name Type material. MCZR –M–16807 —19 sh “ Philbertia densa Monts. Palermo ”// 1 sh “ Malta (Medlycott)” Type locality. Described from Napoli (P. versicolor var. cinereo maculata Scacchi), Sète (France), Falera (=Palaio Faliro, Greece), Corsica, Malta, Alexandria (Egypt), Livorno and Civitavecchia (Italy), Palermo and Trapani (Sicily). Remarks. Name proposed for Pleurotoma versicolor var. cinereo – maculata Scacchi, 1836 (nomen nudum) raised to the rank of species. Recorded by MolluscaBase (2018) as Raphitoma densa (Monterosato, 1884). A syntype of the (sub)lot from Palermo figured by Pusateri et al. (2012: 49, fig. 17)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 60, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Pusateri, F., Giannuzzi-Savelli, R. & Oliverio, M. (2012) A revision of the Mediterranean Raphitomidae 1: on the sibling species Raphitoma contigua Monterosato, 1884 and Raphitoma spadiana n. sp. (Gastropoda, Conoidea). Iberus, 30 (1), 41 - 52."]}

lubrica, Acicularia [Melanella lubrica (Monterosato, 1890)] (Figures 18M, N) 1878c: 96—XIX: 410 — as Acicularia intermedia var. solidula —nomen nudum 1884h: 103 [XXXI: 759]—as Acicularia intermedia var. solidula —not available (infrasubspecific) 1890b: 159 [XXXVIIIb: 907]—available name Type material. MCZR–M–30021 —1 sh “ Acicularia lubrica Monts = intermedia auct. typ. England!”. MCZR–M–30052 —9 sh + 2 frg “Palermo” // 1 sh “ Eulima lubrica Monts acic. fondi coral. Palermo” (unknown handwriting) // 3 sh “Eulime rade de Morlaix 20 brasses beaucoup plus rare que Eul. Polita” (A. Bavay’s handwriting?) // 2 sh “ Eulima di Napoli !! vicina alla polita. La stessa foss. a Ficarazzi!!” // 1 sh “ Eulima intermedia Cant. 1 expl Bergen” (unknown handwriting) //2 sh “ Eulima intermedia Cantraine England”. Type locality. “Numerous localities” in Mediterranean and Atlantic. Remarks. Monterosato (1890b: 159) deemed Jeffreys’ (1867: 203; 1869: 214; pl. 77, fig. 4) interpretation of Eulima intermedia Cantraine, 1835, as not corresponding to Cantraine’s actual species [= Melanella polita (Linnaeus, 1758)]. He had previously described this form as Acicularia intermedia var. “ solidula ” (1884h: 103; nomen nudum in 1878c: 96). The name Eulima solidula, however, may fall in homonymy with Eulima solidula A. Adams & Reeve, 1850, and it may therefore be argued that Monterosato (1890b: 159) preferred to introduce by a description a different name, Acicularia lubrica for Eulima intermedia Cantraine sensu Jeffreys. This is a well– known species of the genus Melanella Bowdich, 1822, parasitic on holothurians (Bouchet & Warén, 1986: 352). It is noteworthy that in the type material and additional (non-type) samples in the collection the typical spiral microsculpture, assumed to be diagnostic of M. lubrica as currently conceived (e.g. Bouchet & Warén, 1986: 362, figs 742,743; Gofas et al., 2011: 228), is rather variable in presence/absence and strength. Recorded by MolluscaBase (2018) as Melanella lubrica (Monterosato, 1890)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 50-51, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Bouchet, P. & Waren, A. (1986) Revision of the Northeast Atlantic bathyal and abyssal Aclididae, Eulimidae, Epitoniidae (Mollusca, Gastropoda). Bollettino Malacologico, Supplement 2, 297 - 576. https: // doi. org / 10.5962 / bhl. title. 140762","Gofas, S., Moreno, D. & Salas, C. (Eds.) (2011) Moluscos marinos de Andalucia. Vol. 1. Servicio de Publicaciones e Intercambio Cientifico, Universidad de Malaga, Malaga, xvi + 342 pp."]}

crustacea, Ostreola [Ostrea stentina Payraudeau, 1826] (Figures 36C, D) 1915: 6 (12), pl. IV, figs 6, 7 [LXV: 1256, 1268A, figs 6, 7]—available name Type material. MCZR –M–5492 —1 sh “ Ostreola crustacea Monts Porto di Palermo da figurare” MCZR –M–30041 — 10 v “ Ostreola crustacea Monts, Palermo ” MCZR –M–30042 —6 sh “ Ostreola crustacea var. opercularis Viareggio! da figurare” Type locality. Described from Palermo (Sicily) and Viareggio (Italy). Remarks. The syntype in box 5492 was figured in the original work (1915: pl. IV, fig. 6), whereas the other figure showed a syntype of the lot from Viareggio sent by Del Prete, which Monterosato distinguished as var. “ opercularis ”. Recorded by MolluscaBase (2018) as a synonym of Ostrea stentina Payraudeau, 1826., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 80, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Payraudeau, B. C. (1826) Catalogue descriptif et methodique des Annelides et des Mollusques de l'ile de Corse. Imprimerie J. Tastu, Paris, 218 pp., 8 pls."]}

jolyi, Scalaria [Epitonium jolyi (Monterosato, 1878)] (Figures 10Q, R) 1878b: 316 [XXI: 456]—available name Type material. MCZR–M–23494 —1 sh “ S. jolyi Monts ” (verso) “Alger (Joly)” (recto), “ S. Jolyi, M. Journ. Conchyl. 1878, p. 316—Alger (Joly)...”. Type locality. Described from coasts of Algeria. Remarks. Name available and valid albeit proposed conditionally [ICZN, 1999: art. 11 d (ii)]. Landau et al. (2006) regarded Fossil (E. septemcostatum Conti, 1871) and Recent (E. jolyi Monterosato) materials as conspecific, an issue that should be more deeply investigated. Recorded by MolluscaBase (2018) as Epitonium jolyi (Monterosato, 1878). † lacerata Linctoscala [Epitonium spiniferum (G. Seguenza, 1876)] (Figures 10S, T) 1890a: 149 [XXXVIIIa: 903]—available name Type material. MCZR–M–23441 —2 sh “ Sc. lacerata Monts ” “ lacerata Monts Ficarazzi ” Type locality. Described from Ficarazzi † (Sicily). Remarks. Recorded by MolluscaBase (2018) as taxon inquirendum. Bouchet & Warén (1986) correctly included it in the synonymy of Epitonium spiniferum (G. Seguenza, 1876), a position that we share. lincta, Linctoscala [Epitonium linctum (de Boury & Monterosato, 1890)] (Figures 10U, V) 1890: 161 - in de Boury (1890). Type material. MNHN—Lectotype (designated by Bouchet & Warén, 1986), Sicily. MCZR–M–23500/P —3 sh (Paralectotypes) “S. frondicula (Monts) non S. Wood fide De Boury, Sc. nov. sp. De Boury. Sc. lincta Monts ms. Pal. e S. Vito (Monts). Anche d’Arcachon—Atl. (De Boury)” Type locality. Sicily: “it probably originates from the Palermo or San Vito localities of Monterosato.” (Bouchet & Warén, 1986: 514). Remarks. Species described with de Boury. Recorded by MolluscaBase (2018) as Epitonium linctum (de Boury & Monterosato, 1890)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 37-38, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["ICZN [= International Commission on the Zoological Nomenclature] (1999) International Code of the Zoological Nomenclature. 4 th Edition. Adopted by the International Union of Biological Science, International Trust for the Zoological Nomenclature, Padova, xxix + 306 pp.","Landau, M., La Perna, R. & Marquet, R. (2006) The Early Pliocene Gastropoda (Mollusca) of Estepona, Southern Spain. Part 6: Triphoroidea, Epitonioidea, Eulimoidea. Palaeontos, 10, 1 - 96, 22 pls. [Palaeo Publishing and Library vzw]","Bouchet, P. & Waren, A. (1986) Revision of the Northeast Atlantic bathyal and abyssal Aclididae, Eulimidae, Epitoniidae (Mollusca, Gastropoda). Bollettino Malacologico, Supplement 2, 297 - 576. https: // doi. org / 10.5962 / bhl. title. 140762","Boury, E. de (1890) Revision des Scalidae miocenes et pliocenes de l'Italie. Bullettino della Societa Malacologica Italiana, 14 (9 ½ - 20), 161 - 326, 4 pls."]}

Family DENTALIIDAE † brugnonei, Dentalium [Dentalium brugnonei Monterosato, 1891] (Figures 40E, F) 1891c: 15 [XL: 948]—available name Type material. MCZR–M–12947 —30 + 2 sh labelled “Dent. brugnonei = brevifissum (non Desh.) Brugnone foss. di Ficarazzi” MCZR–M–12945 —5 sh “ Dentalium Brugnonei Monts = brevifissum Brug. non Desh. Ficarazzi” Type locality. Described from Ficarazzi † (Sicily). Remarks. Taxon introduced to replace Dentalium brevifissum Brugnone, 1876, not Deshayes, 1826. The types refer to Brugnone’s name. The name is followed by the mark “F.”, standing for the well–known Lower Pleistocene deposits of Ficarazzi (Palermo). Evidently unaware of Monterosato (1891), Steiner & Kabat (2004) highligthed the same homonymy and proposed the same replacement name for Dentalium brevifissum Brugnone, 1876, not Deshayes, 1826: i.e. Dentalium brugnonei Steiner & Kabat, 2004 [sic!]. Dentalium brugnonei and Dentalium brevifissum are both recorded by MolluscaBase (2018) as taxon inquirendum. It is a valid fossil species [new status]. † philippii, Dentalium [Fissidentalium rectum (Gmelin, 1791)] (Figures 40G, H) 1872a: 27 [V: 65]—available name Type material. MCZR –M–12933 —31 + 5 sh “D. delessert. v. flexilis Monts = D. flexila Monts. Monte Pellegrino”, it is to note that the box includes material from different localities, now undistinguishable from the type material from Monte Pellegrino comunicazione. MCZR–M–25166 —8 sh “ Dentalium delessertianum Chenu fossili Pliocene Ficarazzi pr. Palermo” Type locality. Described from Monte Pellegrino † and Ficarazzi † (Sicily). Remarks. Recorded by MolluscaBase (2018) as taxon inquirendum. The name was introduced by means of an indication for Dentalium striatum Lamarck, 1818 [not Born, 1778], sensu Philippi (1844: 208). Later on Monterosato (1877c: 40) adopted the name Dentalium delessertianum Chenu, 1843, reporting his own D. philippii as a synonym. Monterosato’s name is a primary homonym of Dentalium philippii Chenu, 1843, already introduced for Dentalium striatum Lamarck, sensu Philippi. Therefore, like Dentalium delessertianum (Pilsbry & Sharp, 1898: 213; Caprotti, 1979: 223; Steiner & Kabat, 2004: 582, 630), Dentalium philippii Monterosato, 1872 is another junior synonym of Fissidentalium rectum (Gmelin, 1791) [new synonymy].

spirintortus, Vermetus [Vermetus granulatus (Gravenhorst, 1831)] (Figures 20A, B) 1892c: 22, pl. I, fig. 9 [XLIV: 1024, 1051, fig. 9]—available name Type material. MCZR–M–21264 —1 sh “ V. spirintortus S. Vito!”// “ V. spirintortus M. Mon. Vermet. P. 22. T. 1 f.9 Algeria? Il più piccolo di S. Vito, Sic.” Type locality. Described from Trapani and San Vito lo Capo (Sicily), and Algeria, Remarks. Recorded by MolluscaBase (2018) as a synonym of Vermetus granulatus (Gravenhorst, 1831)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 55, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

antiflexa, Vitreolina [Vitreolina antiflexa Monterosato, 1884] (Figures 18A, B) 1884h: 101 [XXXI: 757]—available name Type material. MCZR –M–23601 —3 sh “Vitreonella antiflexa Monts fondo corall. Palermo” MCZR –M–23615 —1 sh “Magnisi”//; MCZR –M–23616 —6 sh “Magnisi!!”// 17 sh “Magnisi!”// 1 sh “Roussillon (Dautz)”; Type locality. Described from Palermo, Magnisi, San Vito lo Capo and Messina (Sicily), Napoli (Italy), Roussillon (France), Algiers (Algeria). Remarks. Monterosato introduced this name with a brief description. He referred that the species matches the var. “ exilis ” Monterosato (nomen nudum) of Eulima distorta Deshayes 1830, and (with a question mark) Eulima distorta Deshayes 1830, sensu G.O. Sars (1878: pl. 11, fig. 23). We think that the introduction is valid due to the description rather than to the reference to Sars (1878). Thus, the type material is composed of the shells directly examined by Monterosato for this article. Pending a revision of the Mediterranean species of this difficult genus, it remains an open question whether this is a distinct species or not. Recorded by MolluscaBase (2018) as Vitreolina antiflexa (Monterosato, 1884)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 49, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Sars, O. G. (1878) Bitrag til Kundskaben om Norges Arktiske Fauna. 1. Mollusca Regionis Arcticae Norvegiae. Oversigt over de i Norges Arktiske Region Forekommende Bloddyr. Christiania [= Oslo], xiii + 466 pp., 34 + 18 [anatomical] pls., 1 map."]}

contigua, Cerithiopsis [Cerithiopsis barleei Jeffreys, 1867] (Figures 11I, J) 1878a: 156 [XX: 446]—available name Type material. MCZR–M–21158 —9 sh “ Cerithiopsis contigua Monts varie località!”// 5 sh “P” (Palermo) on the cork cap. Type locality. Described from Palermo (Sicily). Remarks. Recorded by MolluscaBase (2018) as taxon inquirendum. It is usually considered as a form of Cerithiopsis barleei Jeffreys, 1867 [new synonymy]. diadema, Cerithiopsis (ex Watson ms.) [Cerithiopsis diadema Monterosato, 1874 ex Watson ms.] (Figures 11K, L) 1874a: 273 [X: 199]—available name Type material. MCZR–M–21014 —2 sh “ Cerithiopsis diadema Wat. Madeira (From Watson)” (Brugnone’s handwriting) // 1 sh “modenese! Doderlein”// 1 sh “ C. diadema Wats. ms Madeira d. Watson” “ Cerithiopsis diadema (6) (Wat. ms) Madeira” (Watson’s handwriting) // 2 sh “ diadema Trap. ” Type locality. Described from Palermo (Sicily), Madeira and unprecised locality near Modena †. Remarks. Recorded by MolluscaBase (2018) as Cerithiopsis diadema Monterosato, 1874., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 38-39, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Jeffreys, J. G. (1862 - 1869) British Conchology. Vol. 1 - 5. van Voorst, London, CXIV + 341 pp. (1862); 479 pp. (1864), 394 pp. (1865), 487 pp. (1867), 259 pp. (1869)."]}

coronata, Mathilda [Mathilda coronata Monterosato, 1875] (Figures 25C, D) 1875c: 12 [XIV: 288]—available name Type material. MCZR–M–21451 —2 sh “Mathilda—1875— coronata Monts vd. Poche note p. 12 Sciacca!” Type locality. Described from off Sciacca (Sicily). Remarks. Recorded by MolluscaBase (2018) as Mathilda coronata Monterosato, 1875., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 65, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

globulinus, Setia [Setia globulinus Monterosato, 1884] taxon inquirendum (Figures 14G, H) 1884e: 278 [XXXf: 631]—available name Type material. MCZR –M–22364 —1 sh “ S. globulinus Monts Nat. Sic. 1884 ” “Porto Vecchio Corsica (Del Prete)” Type locality. Described from Porto Vecchio (Corsica). Remarks. Recorded by MolluscaBase (2018) as taxon inquirendum. Verduin (1988: 32) considered it as a nomen dubium; Gaglini (1990) indicated the single specimen in MCZR as the holotype. It resembles a form of Setia fusca (Philippi, 1841) but a revision of the Mediterranean species of Setia is needed before assessing its identity., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 43, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Verduin, A. (1988) On the taxonomy of some Rissoacean species from Europe, Madeira and the Canary Islands. Basteria, 52 (1 - 3), 9 - 35."]}

Family ARGONAUTIDAE cygnus, Argonauta [Argonauta argo Linnaeus, 1758] (Figures 40A, B) 1889c: 120 [XXXVI: 880]—available name Type material. MCZR –M–30046— 1 sh “A. Cygnus Monts Jour. Conchyl. 1889 p. 119, 120”// 1 sh “Argonauta cygnus Monts Palermo! n. sp.” MCZR –M–30047— 2 sh “1 più grande: A. cygnus Monts Palermo! Coll. Brugn.” MCZR –M–30048— 1 sh “Arg. Cygnus var. monterosatoi Coen Palermo ” Type locality. Described from the Mediterranean Sea Remarks. A form figured subsequently (Monterosato, 1914b: pl. XI, fig. 2), usually regarded to fall within the morphological range of Argonauta argo Linnaeus, 1758, (e.g. Biagi, 1978: 130), and therefore listed among its synonyms (see, e. g., Sabelli et al., 1990 –1992: 347; CLEMAM: Gofas & le Renard, 2017; MolluscaBase, 2018). ferussaci, Argonauta (ex Valenciennes ms.) [Argonauta argo Linnaeus, 1758] 1914b: 388; pl. XIII, unnumb. fig. [LXIV: 1243; 1248, unnumb. fig.]—available name Type material. MNHN 5–11–1166 — Holotype (Lu et al., 1995), Sicily. Type locality. Sicily. Remarks. Monterosato (1914b: 388) wrote he had examined the shell bearing Valenciennes’ manuscript name, stored “in Museo Parisiense”. Usually regarded as a form of Argonauta argo Linnaeus, 1758. Recorded by MolluscaBase (2018) as a synonym of Argonauta argo Linnaeus, 1758. monterosatoi, Argonauta (ex Coen ms.) [Argonauta argo Linnaeus, 1758] (Figures 40C, D) 1914b: 388, pl. XII, figs 1, 2 [LXIV: 1242, pl. XII, figs 1, 2]—available name Type material. MCZR–M–30049 —2 sh “ A. intermedia Monts = monterosati Coen Milazzo ” Type locality. Described from the Mediterranean Sea. Remarks. This is the first valid introduction of the name, older than Coen (1915: 272; pl. 5, fig. 1), who refers to Monterosato (1914b). Usually regarded as a form of Argonauta argo Linnaeus, 1758, (e.g., CLEMAM: Gofas & Le Renard, 2017). Recorded by MolluscaBase (2018) as a synonym of Argonauta argo Linnaeus, 1758. sebae, Argonauta (ex Valenciennes ms.) [Argonauta argo Linnaeus, 1758] 1914b: 387, pl. XI, fig. 1 [LXIV: 1241, pl. XI, fig. 1]—available name Type material. Not found in MNHN (Lu et al., 1995). Type locality. Described from Adriatic Sea. Remarks. Like the type of A. ferussaci, also the holotype of A. sebae should be in the MNHN, according to Monterosato (1914b: 387). Recorded by MolluscaBase (2018) as a synonym of Argonauta argo Linnaeus, 1758., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 86-87, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Biagi, V. (1978) Sul rinvenimento e la cattura di un esemplare vivente di Argonauta argo L. femmina nel golfo di Baratti (Piombino) e osservazioni sull'animale vivente in acquario. Conchiglie, 14 (7 - 8), 119 - 134.","Sabelli, B., Giannuzzi-Savelli, R. & Bedulli, D. (1990 - 1992) Catalogo Annotato dei Molluschi Marini del Mediterraneo- Annotated Check-List of the Mediterranean Marine Mollusks. 3 Vols. Edizioni Libreria Naturalistica Bolognese, Bologna, xiv + 781 pp.","Lu, C. C., Boucher-Rodoni, R. & Tillier, A. (1995) Catalogue of types of Recent Cephalopoda in the Museum national d'Histoire Naturelle (France). Bulletin du Museum national d'Histoire naturelle, Paris, Series 4, 17, 307 - 343.","Coen, G. (1915) Delle forme adriatiche di Argonauta ed in particolare dell' A. monterosatoi n. sp. Annali del Museo Civico di Storia Naturale di Genova, Series 3, 6 (46), 261 - 275, 5 pls."]}

Family NUCULIDAE † apicina, Nucula [Nucula apicina Monterosato, 1891] taxon inquirendum (Figures 34E, F) 1891a: 97 [XXXIX a: 929]—available name Type material. MCZR–M–30040 — 2 v dx “ Nucula apicina Monts S. Flavia ” Type locality. Described from S. Flavia † and Altavilla † (Sicily). Remarks. Monterosato (1891a: 97) explicitly reported a single specimen (a single valve?) from the Quaternary outcrop of Santa Flavia, near Altavilla Milicia (Palermo). At the end of the description he wrote that the species was also known from Altavilla Milicia. Recorded by MolluscaBase (2018) as taxon inquirendum. However, La Perna (2007), after examination of the Monterosato material and additional material from the outcrop of Monti della Farnesina in Rome (Cerulli-Irelli coll., Palaeontological Museum of Sapienza University of Rome), regarded Nucula apicina as a full valid Plio-Pleistocene species, an interpretation that we share., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 76, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["La Perna, R. (2007) Revision of the Nuculidae (Bivalvia: Protobranchia) from the Cerulli-Irelli collection (Pleistocene, Mediterranean). Palaeontographia italica, 91, 109 - 140."]}

candidula, Tricolia [Tricolia tenuis (Michaud, 1829)] (Figures 2A, B) 1917: 11, add. figs to pl. I, fig. 33 [LXVII: 1285]—available name Type material. MCZR–M–10745 —4 sh “Trap.” “ Tricoliella candidula Monts ”. Type locality. Described from Trapani (Sicily). Remarks. The species was described in a paper on the molluscs from Tripolitania (Libya), yet Monterosato (1917: 11) wrote that it was not found there, but rather it was not rare at Trapani (Western Sicily), and figured (1917: add. figs to pl. I, fig. 33) a shell from Trapani. Recorded by MolluscaBase (2018) as a synonym of Tricolia tenuis (Michaud, 1829). dubia, Eudora [Tricolia pullus picta (da Costa, 1778)] (Figures 2C, D) 1889c: 31 [XXXV: 863]—available name Type material. MCZR –M–10723 —6 sh “ E. dubia dal Marocco a Casa Blanca”// 6 sh “Casa Blanca (Maroc)”. Label on the bottom “ Eudora dubia Monts Casa Blanca (Maroc)” Type locality. Described from Casablanca (Morocco). Remarks. A synonym of Tricolia pullus picta (da Costa, 1778), according to Gofas (1982: 189). Recorded by MolluscaBase (2018) as a synonym of Tricolia pullus picta (da Costa, 1778)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 23-24, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Gofas, S. (1982) The genus Tricolia in the Eastern Atlantic and the Mediterranean. Journal of Molluscan Studies, 48 (2), 182 - 213."]}

Family TRIPHORIDAE benoitianum, Cerithium [Metaxia metaxa (Delle Chiaje, 1828)] 1869b: 275, pl. XIII, figs 2, 2a [II: 9, 13, figs 2, 2a]—available name Type material. Not found Type locality. Described from Palermo (Sicily). Remarks. Recorded by MolluscaBase (2018) as a synonym of Metaxia metaxa (Delle Chiaje, 1828)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 39-40, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

dorsata, Fissurella [Diodora dorsata (Monterosato, 1878)] (Figures 1K–M) 1872a: 28 [V: 66]—nomen nudum 1878a: 148 [XX: 438]—available name Type material. MCZR–M–11943 —1 sh “ F. dorsata Monts typo di M. Pell.”// 31 sh “ F. dorsata Monts M. Pellegrino!” MCZR–M–11966 —3 sh “= dominicana O.-G. Costa Fissurella dorsata Monts Palermo!”// 4 sh “ F. dorsata var. virens Monts Palermo ” MCZR–M–11965 —2 sh “Palermo”. MCZR–M–11938 —1 sh “M. Pellegr! Typ.” Type locality. Described from Monte Pellegrino †, Ficarazzi † and Palermo (Sicily). Remarks. The name is available albeit with a very poor description. Recorded by MolluscaBase (2018) as Diodora dorsata (Monterosato, 1878)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 22, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

Family ANABATHRIDAE intorta, Rissoa [Nodulus contortus (Jeffreys, 1856)] 1875b: 28 [XIII: 254]—as Rissoa contorta var. intorta— nomen nudum 1877d: 418 [XVIII: 354]—as Rissoa contorta var. intorta— available name Type material. Not found Type locality. Not indicated. Remarks. Recorded by MolluscaBase (2018) as a synonym of Nodulus contortus (Jeffreys, 1856)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 48, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

candidissima, Scalaria [Epitonium candidissimum (Monterosato, 1877)] (Figures 10I, J) 1877a: 37, pl. II, fig. 5 [XV: 307, 321, fig. 5]—available name Type material. MCZR –M–30007 —2 sh Algiers, figured in Giannuzzi–Savelli et al. (1999: 66, 67 figs 147, 148) and listed by Settepassi et al. (1976: 18, n. 0436) Type locality. Described from Algiers (Algeria). Remarks. Recorded by MolluscaBase (2018) as Epitonium candidissimum (Monterosato, 1877). commutata, Scalaria [Gyroscala commutata (Monterosato, 1877)] taxon inquirendum (Figures 10K, L) 1877d: 420 [XIII: 356]—available name Type material. MCZR–M–23554— 2 sh “ S. commutata, Monts Ann. Museo Civ. Genova 1876 —77 p. 14 = S. pseudoscalaris, auct. (non Brocc.) Palermo e Catania!” MCZR –M–23529 —10 sh “ Sc. commutata albida Alger coll (Joly)” MCZR –M–23556 —7 sh “ Sc. commutata var. albina. M. Oran (Alg)” Type locality. Civitavecchia (Italy) and Mediterranean. Remarks. Name proposed to distinguish Scalaria pseudoscalaris Brocchi, 1814 sensu Auctores, considered as a distinct species by Monterosato based on the lack of spines at the axials. The alleged synonymy with Scalaria lamellosa Lamarck, 1814 (from Western Atlantic) was initially considered as possible by Monterosato’s (1877d: 420) but subsequently (Monterosato, 1878c: 26) rejected. Some Authors have considered the introduction by Monterosato as a replacement name for Scalaria lamellosa Lamarck, 1822 [not Turbo lamellosum Brocchi, 1814 — now Cirsostrema lamellosum (Brocchi, 1814)]. Landau et al. (2006: 18) debated the issue of the name to use for the species, deciding for Epitonium commutatum (Monterosato) [now Gyroscala commutata]. Considering other cases of species from the two sides of the Atlantic almost indistinguishable morphologically (see e.g. Bulla striata Bruguière, 1792 v. B. occidentalis A. Adams, 1850: Malaquias & Reid, 2008) we take a conservative position in regarding the introduction by Monterosato (1877d: 420) as a new species. In case the two entities (Eastern v. Western Atlantic) are considered as conspecific, then the name for both should be Gyroscala commutata (Monterosato, 1877); in case they are proved (for instance by genetics) as distinct, then G. commutata should be restricted to the Eastern Atlantic species. Recorded by MolluscaBase (2018) as a synonym of Gyroscala lamellosa (Lamarck, 1822), we suggest reverting to Gyroscala commutata (Monterosato, 1877) as taxon inquirendum [new status]., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 36, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Settepassi, F., Schiro, G. & Zanardi, G. (1976) Elenco dei molluschi conchiferi del Mediterraneo. In: Bronzini E. (Ed.), Prima Mostra della Conchiglia Marina, ed Esposizione del Francobollo a Soggetto Malacologico, Palazzo Braschi, 5 - 31 Ottobre 1976, 11 - 35. Comune di Roma, Litostampa Nomentana, Rome. [Catalogue of the Exhibit; authorship of the Mediterranean checklist reported at pp. 75]","Brocchi, G. B. (1814) Conchiologia fossile subapennina con osservazioni geologiche sugli Apennini e sul suolo adiacente. 2 Vols. Stamperia Reale, Milano, 56 + 80 [Roman numerals] + 712 pp., 16 pls.","Landau, M., La Perna, R. & Marquet, R. (2006) The Early Pliocene Gastropoda (Mollusca) of Estepona, Southern Spain. Part 6: Triphoroidea, Epitonioidea, Eulimoidea. Palaeontos, 10, 1 - 96, 22 pls. [Palaeo Publishing and Library vzw]","Malaquias, M. A. E. & Reid, D. G. (2008) Systematic revision of the living species of Bullidae (Mollusca: Gastropoda: Cephalaspidea), with a molecular phylogenetic analysis. Zoological Journal of the Linnean Society 153, 453 - 543. https: // doi. org / 10.1111 / j. 1096 - 3642.2008.00369. x"]}

Family ELLOBIIDAE exigua, Leuconia [Auriculinella bidentata (Montagu, 1808)] 1906a: 128 [LIV: 1160]—available name Type material. Not found Type locality. Described from Sfax (Tunisia). Remarks. Recorded by MolluscaBase (2018) as taxon inquirendum. This form is arguably to refer to Auriculinella bidentata (Montagu, 1808) [new synonymy], a species recorded also from Sfax (Cecalupo et al., 2008: 138; pl. 79, figs 1–5), the Type locality. of Leuconia exigua. We failed to find the type material or other material labeled as “ Leuconia exigua ” in the Monterosato collection., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 75, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Cecalupo, A., Buzzurro, G. & Mariani, M. (2008) Contributo alla conoscenza della malacofauna del Golfo di Gabes (Tunisia). Quaderni della Civica Stazione Idrobiologica di Milano, 31, 175 pp., 92 pls."]}

occulta, Marginella [Granulina occulta (Monterosato, 1869)] (Figures 23M, N) 1869c: 17, fig. 10 [III: 31, fig. 10]—available name Type material. MNHN— Lectotype, Palermo (designated by Gofas, 1992) MCZR –M–17212/P —5 sh (Paralectotypes) “ Gibberula occulta Monts Fondo corall. Palermo”// 12 sh (Paralectotypes) “P” (Palermo on the cork cap). Label in the bottom: “M. clandestina = occulta var. obtusa M.” Type locality. Palermo (Sicily). Remarks. Recorded by MolluscaBase (2018) as Granulina occulta (Monterosato, 1869). † ovulina, Gibberulina [Granulina ovulina (Monterosato, 1891)] (Figures 23O, P) 1891: 4 [XL: 948]—available name Type material. MCZR –M–17197/L —1 sh (Lectotype) “ G. ovulina Monts. Ficarazzi! Boll. Sic. Nat. ed Econom. di Palermo 1890 p. 4” (designated by C. Smriglio and R. La Perna, in La Perna, 1999) MCZR –M–17197/P— 147 sh (Paralectotypes) “ G. ovulina Monts. Ficarazzi! Boll. Sic. Nat. ed Econom. di Palermo 1890 p. 4” Type locality. Ficarazzi † (Sicily). Remarks. Not recorded by MolluscaBase (2018), it is a valid fossil species., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 63, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Monterosato, T. Di M. [barone di Allery, marchese di] (1869 - 1923) Collected reprints issued in 1982 - 1989. In: Giannuzzi- Savelli, R. (Ed.), Tommaso Di Maria Marchese di Monterosato, Opera Omnia. 4 Vols. Societa Italiana di Malacologia, Palermo, pp. i - xvi + 1 - 1792.","Gofas, S. (1992) Le genre Granulina (Marginellidae) en Mediterranee et dans l'Atlantique oriental. Bollettino Malacologico, 28 (1 - 4), 1 - 26.","La Perna, R. (1999) Pleistocene and Recent Mediterranean species of Granulina (Gastropoda, Marginellidae), with description of four new species. Bollettino Malacologico, 34 (1 - 4), 33 - 42. [1998]"]}

johni, Nassa [Naytia johni (Monterosato, 1889)] (Figures 21G, H) 1889d: 114 [XXXVI: 874]—available name Type material. MCZR–M–8176 —71 sh “ Nassa johni Monts Casablanca ” “ N. johni, Monts Journ. Chonc. 1889 p. 114 Marocco Casa Blanca”. Type locality. Described from Casablanca (Morocco). Remarks. Recorded by MolluscaBase (2018) as Naytia johni (Monterosato, 1889). † praelonga, Nassa [Nassarius lima (Dillwyn, 1817)] (Figures 21I, J) 1891c: 4 [XL: 948]—available name Type material. MCZR–M–17830 —25 sh “ N. praelonga in Boll. Soc. Nat. Pal. 1891 p. 4” “ N. limata var. elongata Monts M. Pell. e Fic. 2a ed. p.16” Type locality. Described from Monte Pellegrino † (Italy). Remarks. Replacement name pro Nassa limata var. elongata Monterosato, 1890, preoccupied by at least Nassa elongata Marrat, 1874 and N. elongata B.D.D., 1882. Recorded by MolluscaBase (2018) as a synonym of Nassarius lima (Dillwyn, 1817)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 58, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

subulina, Turbonilla [Turbonilla subulina Monterosato, 1889] (Figures 28E, F) 1889d: 38 [XXXVI: 870]—available name Type material. MCZR –M–23851 —1 sh “ Mogador ”. Label on the bottom: “ T. subulina, Monts Journ. Conchyl. 1889 p. 38. Tipo anche Tangeri Pallary” Type locality. Described from Mogador (Morocco). Remarks. Recorded by MolluscaBase (2018) as Turbonilla subulina Monterosato, 1889. Pallary (1920: pl. 1 fig. 14) figured under this name a different species, similar to T. acuta (Donovan, 1804) superflua, Odostomia (Eulimella) [Eulimella superflua (Monterosato, 1875)] ‘nomen dubium’ 1875b: 34 [XIII: 260]—available name Type material. Not found—The box contains only the label: ”Eul. superflua Monts Palermo 210 m. Vide Conch. profondità in Boll. Malac. Ital. p. 22”. Type locality. Described from Palermo (Sicily). Remarks. Recorded by MolluscaBase (2018) as nomen dubium., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 71, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Pallary, P. (1920) Malacologie. In: Exploration Scientifique du Maroc, Organisee par la Societe de Geographie de Paris et Continuee par la Societe des Sciences Naturelles du Maroc. Vol. 2. L'Institut Scientifique Cherifien, Rabat & E. Larose Editeur, Paris, 107 pp., 1 pl., 1 map."]}

intermedius, Axinus [Axinulus exintermedius (Gaglini, 1992)] (Figures 37G, H) 1875b: 14 [XIII: 240]—nomen nudum 1877c: 31 [XVII: 329]—nomen nudum 1878c: 69 [XIX: 383]—nomen nudum 1880c: 58 [XXVII: 542]—available name Type material. MCZR–M–19228/L —1 sh (Lectotype) “ Leptaxinus exintermedius ” (Gaglini’s manuscript label), designated by Gaglini (1992a). MCZR–M–19228/P— 100 sh + 32 v, (Paralectotypes) “P” the cork cap. Label on the bottom “ A. intermedius, Monts Palermo!” Type locality. Palermo (Sicily). Described also from Ficarazzi † (Sicily). Remarks. Axinus intermedius Monts. was preoccupied by Axinus intermedius van den Hecke, 1858, and replaced by Leptaxinus exintermedius Gaglini, 1992. Recorded by MolluscaBase (2018) as a synonym of Axinulus exintermedius (Gaglini, 1992)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 83, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Gaglini, A. (1992 a) Terze spigolature ... monterosatiane. Argonauta, 7 (1 - 6), 125 - 180. [1991]"]}

sculptilis, Rissoa [Alvania sculptilis (Monterosato, 1877)] (Figures 16C, D) 1877a: 35, pl. III, fig. 6 [(XV: 305, 322, fig. 6]—available name Type material. MCZR –M–22162 —3 sh “ Rissoa sculptilis n. sp? Alger (Joly)”. Type locality. Described from coasts of Algeria. Remarks. Recorded by MolluscaBase (2018) as Alvania sculptilis (Monterosato, 1877). Villari & Scuderi (2017) commented on potential relationships with Alvania sororcula Granata-Grillo, 1877 without reaching a conclusion. scurra, Apicularia [Rissoa scurra (Monterosato, 1917)] 1917: 12, pl. I, figs 27, 28 [(LXVII: 1286, 1305, pl. I, figs 27, 28]—available name Type material. Not found in MCZR. KBIN –D – Lectotype (ex Monterosato) designated and figured by Verduin (1985: 120), from “ Puntebianche ”. Type locality. Puntebianche (Croatia). Described also from Tripoli (Libya). Remarks. Recorded by MolluscaBase (2018) as Rissoa scurra (Monterosato, 1917). simplicula, Cingula [Crisilla simplicula (Monterosato, 1890 nomen dubium] (Figures 16H, I) 1890a: 147 [XXXVIIIa: 901]—available name Type material. Not found in MCZR. Other material. MCZR –M–30018 —2 sh “Cingula simplicula Monts. Pal !! Conch. Prof. Pal. p. 8” Type locality. Described from Palermo (Sicily). Remarks. The two shells in the collection do not match the description (the figured shell is a juvenile of the Rissoa lia –complex), raising misplacing as very likely. In the original description, Monterosato compared it to the group of Rissoa aemula (a nomen nudum that, according to material in the collection, was based on Crisilla gagliniae (Amati, 1985) [new combination]). We therefore ascribe Cingula simplicula to the genus Crisilla [new combination] (as defined in Bouchet & Warén, 1993), but keep the species as a nomen dubium, pending the finding of actual types (not recorded by MolluscaBase, 2018). † spinosa, Alcidia [Alvania spinosa (Monterosato, 1890)] (Figures 16J, K) 1890a: 147 [XXXVIIIa: 901]—available name Type material. MCZR –M–30019 —3 sh “ R. angulata Seg. ms. foss. di Milazzo”// 2 sh “ Alcidia spinosa Seg. Palermo 1886 ” Label on the bottom: “ Alcidia spinosa Monts. ms. = angulata (non Eichw) Seguenza Palermo. 1886” Type locality. Described from Milazzo † and Palermo (Sicily). Remarks. Name proposed to replace “ R[issoa]. angulata Seguenza ms.” (nomen nudum in Seguenza 1874: 4) non Eichwald, 1830, included in the new section Alcidia. Recorded by MolluscaBase (2018) as Alvania spinosa (Monterosato, 1890)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 46-47, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Villari, A. & Scuderi, D. (2017) Taxonomical notes on some poorly known mollusca species from the Strait of Messina (Sicily). Biodiversity Journal, 8 (1), 193 - 204.","Verduin, A. (1985) On the taxonomy and variability of Recent European and North African species of the subgenera Apicularia and Goniostoma of the genus Rissoa (Gastropoda, Prosobranchia). Basteria, 49 (4 - 6), 105 - 132.","Amati, B. (1985) Alvania gagliniae sp. n. (Gastropoda, Prosobranchia). Notiziario del C. I. S. Ma., 6 (1 - 2), 35 - 41.","Bouchet, P. & Waren, A. (1993) Revision of the Northeast Atlantic bathyal and abyssal Mesogastropoda. Bollettino Malacologico, Supplement 3, 579 - 840. https: // doi. org / 10.5962 / bhl. title. 140732","Seguenza, G. (1874) Studii stratigrafici sulla formazione pliocenica dell'Italia meridionale (partim). Bollettino del Regio Comitato Geologico d'Italia, 1874 (1 - 2, 3 - 4, 5 - 6, 9 - 10, 11 - 12), 4 - 15, 68 - 85, 146 - 152 ,, 271 - 283, 332 - 347."]}

britannica, Turritella [Turritella communis Risso, 1826] (Figures 10A, B) 1890a: 148 [XXXVIIIa: 902]—available name Type material. MCZR –M–21397 —4 sh “Turr. britannica Monts type d’Angleterre” “Turr. Britannica Monts Nat. Sic. 1890” MCZR–M–21329 —4 sh “Turr. britannica, Monts Britain!“// 1 sh “Turr. britannica, Monts England!!” The figures in Sowerby (1859: pl. XV, fig. 1) and in the British Conchology (Jeffreys, 1867: pl. II, fig. 1), are part of the type material. Type locality. Described from Great Britain. Remarks. Introduced to distinguish the British forms of Turritella communis Risso, 1826 from the Mediterranean one. The introduction consisted in a bibliographic reference to figures in Sowerby (1859: pl. XV, fig. 1) and in the British Conchology (Jeffreys, 1867 [1862–1869]: pl. II, fig. 1), an indication in the sense of ICZN (1999: art. 12.2.1). Recorded by MolluscaBase (2018) as a synonym of Turritella communis Risso, 1826., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 35, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Sowerby, G. B. II (1859) Illustrated index of the British shells. Containing figures of all the Recent species, with names and other informations. Simpkin, Marshall and Co., and the Author, London, xv pp., 24 pls.","Jeffreys, J. G. (1862 - 1869) British Conchology. Vol. 1 - 5. van Voorst, London, CXIV + 341 pp. (1862); 479 pp. (1864), 394 pp. (1865), 487 pp. (1867), 259 pp. (1869).","ICZN [= International Commission on the Zoological Nomenclature] (1999) International Code of the Zoological Nomenclature. 4 th Edition. Adopted by the International Union of Biological Science, International Trust for the Zoological Nomenclature, Padova, xxix + 306 pp."]}

brevicula, Pyrgulina [Parthenina monterosatii (Clessin, 1900)] (Figures 26G, H) 1878c: 93 [XIX: 407]—sub Odostomia —nomen nudum 1884h: 88 [XXXI: 744] sub Pyrgulina —available name Type material. MCZR–M–23833— 3 sh “ Pyrgulina brevicula Monts Viareggio ”. Label on the bottom: “ O. (Pyrgulina) brevicula Monts. Varie località!”. Type locality. Described from Livorno, Viareggio, Napoli and Vado (Italy), Messina and Palermo (Sicily), Toulon (France) and Algiers (Algeria). Remarks. It was replaced by Clessin (1900 [1899–1902]) with Parthenia monterosatii due to a secondary homonymy with Odostomia brevicula Jeffreys, 1883. Recorded by MolluscaBase (2018) as a synonym of Parthenina monterosatii (Clessin, 1900). † bulimulus, Odostomia [Odostomia bulimulus Monterosato, 1874 ex Brugnone ms.] (Figures 26I, J) 1874a: 268 [X: 194]—available name Type material. MCZR–M–23772 —1 sh “Odosto. bulimulus M. Ficarazzi ” [ex Brugnone collection] Type locality. Described from Ficarazzi † (Sicily). Remarks. Nomen novum pro Odostomia bulimoides Brugnone, 1873 non Souverbie, 1865. The shell at MCZR is the type of Brugnone. Recorded by MolluscaBase (2018) as Odostomia bulimulus Monterosato, 1874. commutata, Eulimella [Eulimella acicula (Philippi, 1836)] 1884h: 98 [XXXI: 754]—available name Type material. Type material not found in Philippi collection (Coan & Kabat, 2017). Type locality. Described from Palermo † (Philippi; Sicily) and coasts of Provence (France). Remarks. Unnecessary replacement name for Melania acicula Philippi, 1836 (Eulimella) non Auricula acicula Lamarck, 1815 now in Puposyrnola. Recorded by MolluscaBase (2018) as a synonym of Eulimella acicula (Philippi, 1836)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 67, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Clessin, S. (1900 [1899 - 1902]) Die Familie der Eulimidae. Systematisches Conchylien - Cabinet, 1 (28), 1 - 273, pls. 1 - 41. [1 - 40, pls. 1 - 11 (1899), 41 - 200, pls 12 - 40 (1900), 201 - 240, no pls. (1901), 241 - 273, pl. 41 (1902) - dating follows Coan et al. (2013)]","Philippi, R. A. (1836) Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 1. Schropp, Berlin [Berolini], xiv + 267 pp., XII pls. https: // doi. org / 10.5962 / bhl. title. 100735","Coan E. V. & Kabat A. R. (2017) The malacological contributions of Rudolph Amandus Philippi (1808 - 1904). Malacologia, 60 (1 ‾ 2), 31 ‾ 322."]}

ignorata, Auristomia [Auristomia ignorata Monterosato, 1917] (Figures 26U, V) 1917: 17, pl. I, fig. 12 [LXVII: 1291, 1305, fig. 12]—available name Type material. MCZR–M–23735/L –1 sh (Lectotype) “ A. ignorata M. Boll. Soc. Zool. V. III p. 17” designated by Gaglini (1991). MCZR–M–23735/P —18 sh (Paralectotypes) “ A. ignorata M. Boll. Soc. Zool. V. III p. 17” Type locality. Zuara (Libya). Remarks. Recorded by MolluscaBase (2018) as Auristomia ignorata Monterosato, 1917., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 68, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Gaglini, A. (1991) Seconde spigolature ... monterosatiane. Notiziario del C. I. S. Ma., 12 - 13, 1 - 22. [1990 - 1991]"]}

consimilis, Sabanea [Pusillina inconspicua (Alder, 1844)] (Figures 13O, P) 1890a: 146 [XXXVIIIa: 900] — available name Type material. MCZR–M–30010 —19 + 2 sh “ S. consimilis, Monts Conch. prof. Pal. 1889, p. 4” (recto) “ Rissoa consimilis Monts. Mss. 30 m! Palermo!” (verso) Type locality. Described from Palermo (Sicily), and Napoli (Italy). Remarks. Recorded by MolluscaBase (2018) as taxon inquirendum. The type material belongs to Pusillina inconspicua (Alder, 1844) [new synonymy]. consociella, Alvania [Alvania lanciae (Calcara, 1845)] (Figures 13Q, R) 1884c: 159 [XXXd: 620]—available name Type material. MCZR–M–22159/L —1 sh (Lectotype) “ Alvania (Alvania) consociella Monterosato Corsica”, designated by Amati (1982). MCZR–M–22159/P —7 sh (Paralectotypes) “ Alvania (Alvania) consociella Monterosato Corsica”. Label on the bottom: “ A. consociella Monts ms. Pantelleria, Corsica, Livorno, anche di Villafranca, tipo var. major (Hanley) MCZR–M–30011/P —7 sh (Paralectotypes) “ Alvania sp. del tipo della consociella Villefranche ” Type locality. Corsica. Described also from Pantelleria Is., Ognina (Sicily), Livorno, Castiglioncello and Civitavecchia (Italy), Bandol, Port-Vendres, Roussillon and Villefranche-sur-Mer (France). Remarks. Amati (2012) revised this species and designated the lectotype (MCZR). Recorded by MolluscaBase (2018) as a synonym of Alvania lanciae (Calcara, 1845). dajerleini, Massotia (ex Schwartz von Mohrenstern ms.) [Alvania lactea (Michaud, 1830)] (Figures 14A, B) 1889c: 33 [XXXV: 865]—available name Type material. MCZR –M–30012 —6 sh “ M. dajerleini Schw. ms. (Alvania) Casa Blanca Marocco (Monterosato)! (v. retro) 1886”, verso “cfr. col tipo di Schw. in coll. Brusina (Xxxx [unreadable]) come delle coste Atl. della Francia ” Type locality. Described from Casablanca (Morocco) and Atlantic coasts of France. Remarks. The wrong original ortography “dojerleini” was corrected by Monterosato (1889d:120) (ICZN, 1999: art. 33.2.2). Recorded by MolluscaBase (2018) as a synonym of Alvania lactea (Michaud, 1830)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 42-43, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Amati, B. (2012) Alvania consociella Monterosato, 1884 junior synonym of Alvania lanciae (Calcara, 1845) (Prosobranchia, Rissoidae). Bollettino Malacologico, 48, 116 - 121.","ICZN [= International Commission on the Zoological Nomenclature] (1999) International Code of the Zoological Nomenclature. 4 th Edition. Adopted by the International Union of Biological Science, International Trust for the Zoological Nomenclature, Padova, xxix + 306 pp."]}

Family CALLISTOPLACIDAE pachylasmae, Chiton (ex G. Seguenza ms.) [Callistochiton pachylasmae (Monterosato, 1879 ex G. Seguenza ms.)] (Figures 1C, D) 1878c: 77 [XIX: 391]—nomen nudum 1879c: 24 [XXII: 480]—available name Type material. MCZR–M–12683/H —Holotype “ C. pachylasmae Str. di Messina! Seg. ms.” “ Chiton pachylasmae Seg. ” Type locality. Strait of Messina (Mediterranean Sea). Remarks. Now ascribed to the genus Callistochiton Dall, 1879 ex P. Carpenter ms. It is the type species of the subgenus Allerychiton Dell’Angelo & Oliverio, 1997 (by original designation). The name was made available by a description included in the important paper on Polyplacophora (1879c), but the manuscript name by Giuseppe Seguenza had already appeared as a nomen nudum in Monterosato (1878c: 77) and Tiberi (1879: 150). Gaglini (in Settepassi, 1985) figured the single specimen. Recorded by MolluscaBase (2018) as Callistochiton pachylasmae (Monterosato, 1879)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 21, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Tiberi, N. (1879) Appendice seconda a' Chitonidi italiani. Bullettino della Societa Malacologica Italiana, 3 (10 - 11), 148 - 159."]}

“ OPISTHOBRANCHIA ” The taxon Opisthobranchia P. Fischer, 1883, has been undergoing a constant critical revision during its history. In recent years there is increasing evidence that it will not survive the molecular revolution in molluscan systematics (Wägele et al., 2014), so that informal names as “sea slugs” may be provisionally adopted to refer to most “opisthobranch” taxa (e.g. Crocetta et al., 2015). Here, however, listing the material under “ Opisthobranchia ” is also convenient to follow the survey on the Monterosato material already provided by Oliverio & Tringali (2001)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 72, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Wagele, H., Klussmann - Kolb, A., Verbeek, E. & Schrodl, M. (2014) Flashback and foreshadowing - a review of the taxon Opisthobranchia. Organisms Diversity & Evolution, 14 (1), 133 - 149. https: // doi. org / 10.1007 / s 13127 - 013 - 0151 - 5","Crocetta, F., Poursanidis, D. & Tringali, L. P. (2015) Biodiversity of sea slugs and shelled relatives (Mollusca: Gastropoda) of the Cretan Archipelago (Greece), with taxonomic remarks on selected species. Quaternary International, 390, 56 - 68. https: // doi. org / 10.1016 / j. quaint. 2015.02.061","Oliverio, M. & Tringali, L. P. (2001) The types of marine molluscan species described by Monterosato, in the Museo Civico di Zoologia, Roma. General scope of the work, and part 1: the opisthobranch gastropods. Bollettino Malacologico, 37 (5 - 8), 121 - 142."]}

anguliferus, Vermetus [Dendropoma anguliferum (Monterosato, 1878)] (Figures 19C, D) 1875b: 29 [XIII: 255]—as Vermetus glomeratus var. angulifera— nomen nudum 1878c: 89 [XIX: 403]—available name 1884h: 81 [XXXI: 737] –as Bivonia angulifera Type material. MCZR –M–30026 —1 aggregate from Tripoli. Label on the bottom: “V. (Siph.) anguliferum Monts. T. VII f. 10—11”. Type locality. Described from Tripoli (Libya). Remarks. The original description (1878c) is, admittedly, very poor and the species is better described and figured in later works (Monterosato, 1884g: 61; 1884h: 81–82; 1892c: 44–45, pl. VII, figs 10–12). Nevertheless, we are prone to consider Vermetus anguliferus as validly introduced by the 1878 description, in agreement with literature. Templado et al. (2016) identified under this name the species of the Dendropoma petraeum –complex from the Levant basin. Admittedly, there was no explicit indication that “ Tripoli ” was the locality in Lebanon (“ Syria ” at the time of Monterosato), instead of Tripoli in Libya. However, we agree with Templado et al. (2017) that this interpretation (the same of Pallary, 1938: 37, pl. 2 fig. 3, who was in contact with Monterosato) is perfectly compatible with available knowledge, and using this available name for an existing species keeps nomenclature the most stable possible. Subsequently figured (1892c: pl. VII, figs 10–12). Recorded by MolluscaBase (2018) as Dendropoma anguliferum (Monterosato, 1878). erroneus, Vermetus [Vermetus granulatus (Gravenhorst, 1831)] (Figures 19E, F) 1889c: 36 [XXXV: 868]—available name Type material. MCZR –M–21216 —3 sh “ V. granulatus var. erronea Monts Mon. Vermeti. p. 25 Mondello ” Type locality. Described from Casablanca (Morocco), previously (1877a: 36) reported also from Algeria, Palermo and Siracusa (Sicily) and Adriatic Sea. Remarks. Name proposed to distinguish Vermetus cristatus Biondi, 1858 sensu B.D.D. 1882 considered a distinct species. Subsequently considered a form of Vermetus granulatus (Gravenhorst, 1831) and figured (Monterosato 1892c: pl. I, figs 17, 18). Recorded by MolluscaBase (2018) as a synonym of Vermetus granulatus (Gravenhorst, 1831)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 52-53, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Templado, J., Richter, A. & Calvo, M. (2016) Reef building Mediterranean vermetid gastropods: disentangling the Dendropoma petraeum species complex. Mediterranean Marine Science, 17 (1), 13 - 31. https: // doi. org / 10.12681 / mms. 1333","Pallary, P. (1938) Les Mollusques marins de la Syrie. Journal de Conchyliologie, 82 (1), 5 - 58, pls. 1 - 2."]}

jeffreysii, Circulus [Skeneoides jeffreysii (Monterosato, 1872)] (Figures 2O, P) 1872b: 31 [VI: 113]—available name Type material. MCZR–M–21809 —8 sh “P” (Palermo) on the cork cap // 3 sh “T” (Trapani). Label on the bottom: “ Circulus jeffreysii, n. sp. ” “ Circulus jeffreysii Alleri ms. Pal. Trap. Magni. S. Vito” (Brugnone’s handwriting). Type locality. Described from Palermo and Trapani (Sicily). Remarks. The species was transferred to the genus Skeneoides by Warén (1992). Recorded by MolluscaBase (2018) as Skeneoides jeffreysii (Monterosato, 1872)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 25, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Waren, A. (1992) New and little known \" Skeneimorph \" gastropods from the Mediterranean Sea and the adjacent Atlantic Ocean. Bollettino Malacologico, 27 (10 - 12), 149 - 24. [1991]"]}

caelata, Marginella [Gibberula celata (Monterosato, 1877)] (Figures 23C, D) 1877a: 44, pl. II, fig. 3 [XV: 314, pl. V, fig. 3]—available name Type material. HUJ —Lectotype (32430) and 3 Paralectotypes (36231), designated by van Aartsen et al. (1984: 83). MCZR –M–17196/P —29 sh (Paralectotypes) “Gib. caelata Monts. =? obovata Doderlain fossile modenese Alger! (Joly)” MCZR –M–17216/P —3 sh (Paralectotypes)“ Alger ”// 4 sh (Paralectotypes) “ Alger (Joly)” Joly’s handwriting // 8 + 4 sh (Paralectotypes) “ Algerie ”. Label in the bottom “ Marginella caelata Monteros. Alger ” Type locality. Algiers (Algeria), in the original label. Remarks. “ M. coelata ” is a subsequent misspelling. Name emended in Gibberula celata by Amati (1987). Recorded by MolluscaBase (2018) as Gibberula caelata (Monterosato, 1877)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 62, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["van Aartsen, J. J., Menkhorst, H. P. M. G. & Gittenberger, E. (1984). The marine Mollusca of the Bay of Algeciras, Spain, with general notes on the Mitrella, Marginellidae and Turridae. Basteria, 2 (Supplement), 135 pp.","Amati, B. (1987) Il genere Eatonina Thiele, 1912, nei mari europei (Gastropoda; Prosobranchia). Notiziario del C. I. S. Ma., 9 (10), 31 - 43."]}

producta, Fissurella [Diodora producta (Monterosato, 1880)] (Figures 1N, O) 1880b: 216 [XXVI: 514]—available name Type material. MCZR –M–11965/L —1 sh (Lectotype) “ F. producta Monts Spugne di Barberia ” MCZR –M–11965/P —3 sh (Paralectotypes) “ F. producta Monts spugne di Barberia ”. Type locality. Coasts of Barberia (Tunisia). Remarks. Subsequently figured (Monterosato, 1917: pl. I, figs. 6, 7). Now assigned to the genus Diodora J.E. Gray, 1821. A lectotype of this characteristic species was designated from the Monterosato collection and figured by Buzzurro & Russo (2004: 6, figs 19–21), who discussed the identity of several Mediterranean Diodora species. Recorded by MolluscaBase (2018) as Diodora producta (Monterosato, 1880)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on pages 22-23, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Buzzurro, G. & Russo, P. (2004) Notes and comments on the Mediterranean species of the genus Diodora Gray, 1821 (Archeogastropoda, Fissurellidae) with a description of a new species. Triton, 10, 1 - 9."]}

flexicosta, Haedropleura [Haedropleura flexicosta Monterosato, 1884] (Figures 22A, B) 1875b: 42 [XIII: 268]—as Pleurotoma septangularis var. minor –flexicosta— nomen nudum 1878c: 105 [XIX: 419]—as Pleurotoma septangularis var. minor –flexicosta— nomen nudum 1880b: 230 [XXVI: 528]—as Bela septangularis var. minor –flexicosta— nomen nudum 1884h: 126 [XXXI: 783]—available name Type material. MCZR –M–16732 —10 sh “ Haedropleura flexicosta Sfax ”// 32 sh “ Haedropleura flexicosta Monts. Spugne di Barberia ”// 9 sh “ Haedropleura flexicosta Monts. Sfax ”// 8 sh ” Haedropleura flexicosta Monts. Sfax Spugne”// 10 sh “C. D’Afr.”// 2 sh “ Haedropleura flexicosta M. Sfax di Pallary”. Type locality. Described from coasts of Barberia (Tunisia). Remarks. Recorded by MolluscaBase (2018) as Haedropleura flexicosta Monterosato, 1884, based on Micali (2010)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 59, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Micali, P. (2010) Nota sul genere Haedropleura B. D. D., 1883 nel Mediterraneo. Malacologia Mostra Mondiale, 67, 3 - 5."]}

Family PTERIIDAE savignyi, Maleagrina (misspelling for Meleagrina) [Pinctada imbricata radiata (Leach, 1814)] (Figures 36I, J) 1884h: 7 [XXXI: 663]—available name Type material. MCZR –M–13835 — 2 v sn “ Meleagrina! Alessandria Mr. Juba de Lhotellerie”// 1 v sn + 1 v dx “ Meleagrina Savignyi M. Alessandria (Gaudion) ”, “ Meleagrina Alessandria. M. Savignyi Monts con l’animale assieme all’ Ostrea subimbricata Monts. ms. (Cap. Gaudion) avuta anche da Lothellerie e da Conemenos”. Type locality. Described from Alexandria (Egypt). Remarks. The first introduction of the name (Monterosato, 1884h: 7) was by a reference to a drawing in the plates of Egyptian molluscs by J.-C. Savigny. It is arguably the oldest record of this Indo–Pacific alien species in the Mediterranean Sea. It has been suggested that it had inhabited the waters of Alexandria harbour before the opening of the Suez Canal (Ghisotti, 1974: 7), although different hypotheses were proposed for its introduction in the Mediterranean (e.g. Por, 1978: 30, 31, 34). The exceptional proliferation of this mollusc brought Monterosato to reject the Indo–Pacific origin for this species, its abundance in the Gulf of Gabès allegedly proving it as a native undescribed species (see Monterosato, 1900: 393), but this is not tenable. It is currently included in Pinctada imbricata Röding, 1798, which is probably a complex of species. Recorded by MolluscaBase (2018) as a synonym of Pinctada imbricata radiata (Leach, 1814).

verrucosus, Vermetus [Thylacodes arenarius (Linnaeus, 1758)] (Figures 20C, D) 1878c: 88 [XIX: 402]—as Vermetus gigas var. verrucosa— nomen nudum 1892c: 33, pl. III, fig. 4 [XLIV: 1035, 1055, fig. 4]—such as Vermetus verrucosus— available name Type material. MCZR –M–5796 —3 sh “ V. verrucosus Monts Tav. III Palermo ” “ All’Aspra p. Palermo vedi Mon. Vermet. p. 34”// 1 sh “ Mon. Verm. Med. t. III f.4” Type locality. Described from Palermo (V. gigas var. verrucosa Monterosato, 1878) and Aspra (Sicily). Remarks. Recorded by MolluscaBase (2018) as a synonym of Thylacodes arenarius (Linnaeus, 1758)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 55, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

floribunda, Pycnodonta [Neopycnodonte cochlear (Poli, 1795)] (Figures 35K, L) 1915: 7, pl. III, figs 1–4 [LXV: 1 257, 1267, figs 1–4]—available name Type material. MCZR –M–5520 —1 sh “ P. floribunda M. var. digitata, affine al tipo da figurare”// 1 + 2 + 3 sh “ Pycnodonta floribunda Monts Palermo!” “ Ostrea (Pycnodonta) cochlear, Poli Palermo ”// 3 sh + 5 v “ P. floribunda Monts tra Palermo e Ustica da 50 a 60 m. si potrà figurare anche impicciolita”// 3 v “ Pycnodonta floribunda, Monts Palermo!”// 7 v “ Ostrea (Pycnodonta) floribunda Monts Palermo !!” Type locality. Described from off Palermo (Sicily). Remarks. Recorded by MolluscaBase (2018) as a synonym of Neopycnodonte cochlear (Poli, 1795). † frigida, Pycnodonta [Pycnodonta frigida Monterosato, 1915] (Figures 35M, N) 1915: 12, pl. IV, fig. 2 [LXV: 1256, 1268A, fig. 2]—available name Type material. MCZR–M–5588 —2 sh “ P. frigida Monts. Ficarazzi sarebbe bene figurare in modo che si veda il tallone”. Type locality. Described from Ficarazzi † (Sicily). Remarks. We cannot decide whether it is a distinct fossil species or it belongs in the variation of Neopycnodonte cochlear (Poli, 1795)., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 79, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652

incompta, Brochina [Caecum armoricum de Folin, 1869] (Figures 17G–I) 1884f: 23 [XXX g: 637]—available name Type material. MCZR –M–21442 —2 sh “C. (Brochina) n. sp. De Folin Dalmazia (Brus. come C. glabrum)”// 2 sh “ Brochina glabra Monts. Is. Lacroma” Brusina’s handwriting // 2 sh “C. incomptum” probably from Is. Lacroma and separated by Gaglini (1992a). Type locality. Described from Brittany (France), Lacroma Is. (Croatia) and Livorno (Italy). Remarks. Recorded by MolluscaBase (2018) as a synonym of Caecum armoricum de Folin, 1869 based on Hoeksema & Segers (1993). semitrachea, Caecum (ex Brusina ms.) [Caecum trachea (Montagu, 1803) pars] (Figures 17J, K) and [Caecum orientale de Folin, 1868 pars] (Figures 17L, M) 1872b: 38 [VI: 120]—as synonym of C. obsoletum Carpenter, 1858 —not available 1875b: 29 [XII: 255]—as synonym of C. obsoletum Carpenter, 1858 —not available 1878c: 88 [XIX: 402]—as synonym of C. obsoletum Carpenter, 1858 —not available 1884f: 24 [XXXg: 638]—available name Type material. MCZR –M–21467 —3 sh “ Brochina semitrachea Brus. Is. Ulbo ” // 16 sh “Ma” (Magnisi) // 11 sh “Mo” (Mondello)// 2 sh “ Bona ” // 1 sh “ Alger (Joly)” // 4 sh “P.” (Palermo). Label on the bottom: “ C. semitrachea Brusina ”. Type locality. Described from Ulbo Is. (Croatia), Palermo, Ognina, Magnisi and Mondello (Sicily), Algiers and Bona (Algeria). Remarks. Recorded by MolluscaBase as a synonym of Caecum clarkii Carpenter, 1859. The type material comprises two species: the 3 sh ex Brusina from Ulbo Is. (exegetically indicating the original concept of the species) belong to C. trachea [new synonymy]; the remaining samples correspond to the Mediterranean species previously called C. clarki Carpenter, 1859. Nofroni et al. (1997) have shown that C. clarki Carpenter, 1859, is limited to the Canary Islands. For its Mediterranean sister species (C. clarki sensu Auctores) C. orientale de Folin, 1868 is available [new status]., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 48, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Gaglini, A. (1992 a) Terze spigolature ... monterosatiane. Argonauta, 7 (1 - 6), 125 - 180. [1991]","Hoeksema, D. F. & Segers, W. (1993) On the systematics and distribution of the marine Gastropod Caecum armoricum De Folin, 1869 (Prosobranchia, Caecidae). Gloria Maris, 31 (6), 79 - 88.","Nofroni, I., Pizzini, M. & Oliverio, M. (1997) Contribution to the knowledge of the family Caecidae. 3. Revision of the Caecidae of the Canary Islands (Prosobranchia, Caenogastropoda, Risooidea). Argonauta, 11, 3 - 31."]}

Family GADILIDAE abyssicola, Helonyx [Cadulus subfusiformis (M. Sars, 1865)] (Figures 40L, M) 1875b: 21 [XIII: 247]—available name Type material. MCZR–M–12932 —4 sh “Palermo”// 7 sh + frg, label on the box bottom: “ H. subfusiformis M. Sars (Cadulus = H. abyssicola, Monts G. O. Sars p. 106 tav 20 fig 14 a. b” Type locality. Described from Palermo (Sicily). Remarks. The name was proposed as a variety of Helonyx subfusiformis (M. Sars, 1865), describing it as “piccolissima benché adulta” [“very small, yet adult”] (Monterosato, 1875a: 21). Giannuzzi– Savelli & Piani (1990: 144) regarded it as a nomen nudum, yet this introduction includes a distinctive character (small adult size), and we consider it as a description. Monterosato (1878a: 77), raised the name to the rank of species. Later on, however, he listed H. abyssicola as a synonym of H. subfusiformis (M. Sars, 1865) (Monterosato, 1880c: 65). Recorded by MolluscaBase (2018) as a synonym of Cadulus subfusiformis (M. Sars, 1865). † attenuatus, Dentalium [Cadulus attenuatus (Monterosato, 1875)] (Figures 40N, O) 1872a: 27 [V: 65]—nomen nudum 1875b: 21 [XIII: 247]—available name Type material. MCZR–M–12924 —137 sh “ Cadulus cyathus De Crist. e Jan Ficarazzi.” (Brugnone’s handwriting). Type locality. Described from Monte Pellegrino † and Ficarazzi † (Sicily). Remarks. The name (nomen nudum in Monterosato, 1872a), was validated by Monterosato (1875b: 21) when he put it in the synonymy of C. cyathus De Cristofori & Jan, 1832 describing the material from Ficarazzi. This was accepted by Pilsbry & Sharp (1898: 158) and Caprotti (1968: 78) and eventually by Steiner & Kabat (2004), a position that we share. This is a group with a complicated taxonomy (see e.g. Caprotti, 1968 and Moroni & Ruggeri, 1981 for diverging opinions). According to Di Geronimo & La Perna (1997) C. attenuatus is distinct from both C. ovulum and C. cyathus. Recorded by MolluscaBase (2018) as Cadulus attenuatus Monterosato, 1875.

cyclopana, Panopaea [Panopea glycimeris (Born, 1778)] (Figures 38N, O) 1889c: 26 [XXXV: 858]—available name Type material. MCZR–M–5912 —1 sh (2 v) “P. aradasii Monts. ms. Isola dei Ciclopi, p. Catania Aradas ”// 1 sh (2 v) “P. aradasii Monts. ms. Isola dei Ciclopi p. Catania Aradas” Type locality. Described from Ciclopi Islands (Sicily). Remarks. Name used to distinguish the Eastern Sicilian, more slender populations, considered as distinct from the exclusively Atlantic and Western Mediterranean (Bay of Malaga) typical Panopaea glycimeris. The name “P. aradasii” was used only in schedis and not in the publication. Currently (e.g. Thomsen et al., 2009) all Recent northeastern Atlantic and Mediterranean panopeas are considered as belonging to Panopea glycimeris (Born, 1778), a position that we share. Recorded by MolluscaBase (2018) as a synonym of Panopea glycimeris (Born, 1778). † philippii, Panopaea [Panopaea philippii Monterosato, 1891] taxon inquirendum (Figures 39A, B) 1891c: 4 [XL: 948]—available name Historical material. MCZR–M–30045— 1 v “ P. glycimeris (Mya) Born P. faujasii Ménard M. Pellegrino ” Type locality. Described from Monte Pellegrino † (Sicily). Remarks. Name introduced for Panopea faujasii Ménard 1807, sensu Philippi, 1836 considered a distinct species. Recorded by MolluscaBase (2018) as taxon inquirendum., Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, pp. 1-138 in Zootaxa 4477 (1) on page 85, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652, {"references":["Born, I. von (1778) Index rerum naturalium Musei Caesarei Vindobonensis. Pars I. ma. Testacea. Verzeichniss der naturlichen Seltenheiten des k. k. Naturalien Cabinets zu Wien. Erster Theil. Schalthiere. Kraus, Vindobonae (Vienna), [140] + 458 + [82] pp.","Thomsen, E., Knudsen, J. & Koskeridou, E. (2009) Fossil panopeans (Bivalvia, Hiatellidae) from Rhodes, Greece. Steenstrupia, 30 (2), 163 - 176.","Philippi, R. A. (1836) Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 1. Schropp, Berlin [Berolini], xiv + 267 pp., XII pls. https: // doi. org / 10.5962 / bhl. title. 100735"]}