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canopus Perrier, 1875, Heliaster Heliaster canopus Perrier, 1875: 88 ‒ Clark in Clark & Mah 2001: 307. CURRENT STATUS. — Heliaster canopus Perrier, 1875. TYPE MATERIAL. — Chile • 2 syntypes; Juan Fernandez Island; L’Astrolabe & La Zélée expedition; 1837-1840; Hombron & Jacquinot leg.; MNHN-IE-2014-424. REMARK Perrier (1875) himself strongly doubts the validity of his species saying it could be a juvenile of Heliaster helianthus (Lamarck, 1816)., Published as part of Jangoux, Michel, 2022, The type specimens of extant asteroids (Echinodermata) in the Muséum national d'Histoire naturelle of Paris, pp. 259-334 in Zoosystema 44 (11) on page 273, DOI: 10.5252/zoosystema2022v44a11, http://zenodo.org/record/6616817, {"references":["PERRIER E. 1875. - Revision de la Collection de Stellerides du Museum d'Histoire naturelle de Paris. Reinwald, Paris, 384 p., (also published in: Archives de Zoologie experimentale et generale vol. 4 [1875]: 263 - 449, et vol. 5 [1876]: 1 - 104).","CLARK A. M. & MAH CH. 2001. - An index of recent Asteroidea. Part 4: Forcipulata and Brisingida, in JANGOUX M. & LAWRENCE J. M. (eds) Echinoderm Studies, vol. 6: 229 - 347. Balkema, Rotterdam.","LAMARCK J. B. DE 1816. - Histoire naturelle des Animaux sans Vertebres 2. Verdiere, Paris.: 547 - 568. https: // www. biodiversitylibrary. org / page / 13299321"]}

* helianthus, Lamarck, 1816, Asterias Asterias helianthus, Lamarck, 1816: 558. Heliaster helianthus ‒ Clark in Clark & Mah 2001: 307. CURRENT STATUS. — Heliaster helianthus (Lamarck, 1816). REMARK Lamarck gives no locality and refers to Bruguière’s drawings (1791: pl. 108-109; Jangoux 2021: 230, fig. 17)., Published as part of Jangoux, Michel, 2022, The type specimens of extant asteroids (Echinodermata) in the Muséum national d'Histoire naturelle of Paris, pp. 259-334 in Zoosystema 44 (11) on page 289, DOI: 10.5252/zoosystema2022v44a11, http://zenodo.org/record/6616817, {"references":["LAMARCK J. B. DE 1816. - Histoire naturelle des Animaux sans Vertebres 2. Verdiere, Paris.: 547 - 568. https: // www. biodiversitylibrary. org / page / 13299321","CLARK A. M. & MAH CH. 2001. - An index of recent Asteroidea. Part 4: Forcipulata and Brisingida, in JANGOUX M. & LAWRENCE J. M. (eds) Echinoderm Studies, vol. 6: 229 - 347. Balkema, Rotterdam.","JANGOUX M. 2021. - The asteroid species of Lamarck (Echinodermata: Asteroidea). Zoosystema 43 (13): 213 - 252. https: // doi. org / 10.5252 / zoosystema 2021 v 43 a 13. http: // zoosystema. com / 43 / 13"]}

Jangoux, Michel (2022): The type specimens of extant asteroids (Echinodermata) in the Muséum national d'Histoire naturelle of Paris. Zoosystema 44 (11): 259-334, DOI: 10.5252/zoosystema2022v44a11

Diploplegma Hinde, 1890 Diploplegma Hinde, 1890: 48. TYPE SPECIES. — Diploplegma cinctum Hinde, 1890 (Hinde 1890: 48, pl. 3, fig. 10). AGE AND LOCATION OF TYPE MATERIAL. —Upper Dapingian-Sandbian, Middle Ordovician from cherts in the Southern Uplands, Scotland. TAXON CODE. — 308. STATUS. — Nomen dubium. DIAGNOSIS. — “Liosphaerida with a relatively large inner (cortical?) test of irregularly reticulate or spongy framework and an outer shell of the same structure, the two connected by radial bars. In this genus the inner test is sufficiently large to be regarded as an inner cortical shell, and in this respect it resembles Liosphaera, Haeckel (‘Challenger’ Report, pt. i. p. 76), which has two cortical shells. It differs from Liosphaera, however, in the irregularly reticulate or spongy nature of tests.” (Hinde 1890: 48). REMARK It is not possible to determine the nature of this radiolarian from the figured specimen., Published as part of Noble, Paula, Aitchison, Jonathan C., Danelian, Taniel, Dumitrica, Paulian, Maletz, Jörg, Suzuki, Noritoshi, Cuvelier, Jessie, Caridroit, Martial & O'Dogherty, Luis, 2017, Taxonomy of Paleozoic radiolarian genera, pp. 419-502 in Geodiversitas 39 (3) on page 490, DOI: 10.5252/g2017n3a4, http://zenodo.org/record/5206585, {"references":["HINDE G. J. 1890. - Notes on Radiolaria from the Lower Palaeozoic rocks (Llandeilo-Caradoc) of the south of Scotland. Annals and Magazine of Natural History 6 (31): 40 - 59. https: // doi. org / 10.1080 / 00222939008693993"]}

Spongosphaera Won, 1997 Spongosphaera Won, 1997b: 410. TYPE SPECIES. — Spongosphaera grandispongiosa Won, 1997 (Won 1997b: 410, pl. 9, fig. 15-20). TAXON CODE. — 122. STATUS. — Homonym. DIAGNOSIS. — “The skeleton consists of two shells, the outer spongy, the inner a latticed shell, and a six- to eight-rayed internal spicule with a median bar. No inner apophyses are present, but outer apophyses are clearly to faintly developed.” (Won 1997b: 410). REMARKS This is a homonym for the Holocene radiolarian Spongosphaera Ehrenberg, 1847. Plenosphaera Park & Won, 2012 is the replacement name.

Spongosphaera Won, 1997 Spongosphaera Won, 1997b: 410. TYPE SPECIES. — Spongosphaera grandispongiosa Won, 1997 (Won 1997b: 410, pl. 9, fig. 15-20). TAXON CODE. — 122. STATUS. — Homonym. DIAGNOSIS. — “The skeleton consists of two shells, the outer spongy, the inner a latticed shell, and a six- to eight-rayed internal spicule with a median bar. No inner apophyses are present, but outer apophyses are clearly to faintly developed.” (Won 1997b: 410). REMARKS This is a homonym for the Holocene radiolarian Spongosphaera Ehrenberg, 1847. Plenosphaera Park & Won, 2012 is the replacement name., Published as part of Noble, Paula, Aitchison, Jonathan C., Danelian, Taniel, Dumitrica, Paulian, Maletz, Jörg, Suzuki, Noritoshi, Cuvelier, Jessie, Caridroit, Martial & O'Dogherty, Luis, 2017, Taxonomy of Paleozoic radiolarian genera, pp. 419-502 in Geodiversitas 39 (3) on page 447, DOI: 10.5252/g2017n3a4, http://zenodo.org/record/5206585, {"references":["WON M. Z. 1997 b. - The proposed new radiolarian subfamily Retentactiniinae (Entactiniidae) from the late Devonian (Frasnian) Gogo Formation, Australia. Micropaleontology 43 (4): 371 - 418. https: // doi. org / 10.2307 / 1485931","EHRENBERG C. G. 1847. - Uber die mikroskopischen kieselschaligen Polycystinen als machtige Gebirgsmasse von Barbados und uber das Verhaltniss deraus mehr als 300 neuen Arten bestehenden ganz eigenthumlichen Formengruppe jener Felsmasse zu den jetzt lebenden Thieren und zur Kreidebildung. Eine neue Anregung zur Erforschung des Erdlebens. Bericht uber die zur Bekanntmachung geeigneten Verhandlungen der Konigliche Preussische Akademie der Wissenschaften zu Berlin 1847: 40 - 60. http: // biodiversitylibrary. org / page / 11226274","PARK I. - Y. & WON M. - Z. 2012. - Tropical radiolarian assemblages from the Lower Carboniferous Delle Phosphatic Member of the Woodman Formation of Utah, USA. Journal of the Paleontological Society of Korea 28 (1 - 2): 29 - 101."]}

International audience; This chapter is to be used as companion text with the companion chapter, an illustrated catalogue of Paleozoic radiolarian genera found in this volume, and serves the purpose of giving the reader explanation for any taxonomic operations undertaken during the course of constructing the catalogue. These operations refer to the status of the genera as valid, junior synonym, homonym, nomen nudum, nomen dubium, or not Radiolaria. We also include diagnoses and/or descriptions in the original language published, English translations where needed, and locality and age information for the type material.; Cet article est un complément indispensable de la partie catalogue illustré des genres de radiolaires paléozoïques (article précédent) ; il a pour ambition de donner au lecteur toutes les informations taxonomiques nécessaires qui expliquent les changements introduits au cours de la construction du catalogue. Les statuts des genres, argumentés, sont fournis : valide, synonyme junior, homonyme, nomen nudum, nomen dubium, ou non radiolaire. De plus, il propose des traductions en Anglais des diagnoses ou définitions des genres publiées dans diverses langues et des informations sur la localité et l’âge du matériel type.

A total 104 specimens of equal or unequal conjoined skeletons of actinommid radiolarians, where 2 or 3 individuals are conjoined, were recovered from Holocene and Pleistocene sediments in the Japan Sea. Several combinations of ontogenetic stages are observed in the conjoined actinommid skeletons. For example, juvenile actinommids with one or two concentric spheres may be fused to adult three or four sphere actinommids in different combinations. Actinomma leptoderma with 3 concentric spheres can also conjoin with other actinommids possessing four spheres such as Actinomma boreale , Sphaeropyle langii and Prunopyle antarctica . This suggests that these species are closely related and capable of cytoplasmic fusion during stages of skeletal deposition. The species with conjoined skeletons are at present placed in three different genera, but our new results suggest that they should belong in one genus. The conjoinment of actinommid skeletons is thought to be a result of successive skeletal growth through “bridge-growth” and “rim-growth” patterns. The different combinations of skeletal conjoinment stages strongly support asexual reproduction by binary fission. Our observation also suggests that the actinommids can reproduce at the juvenile stage (one or two skeletal spheres developed), not only at the adult stage (three or more skeletal spheres developed). Frequent occurrence of the conjoined forms in the Japan Sea might be related to its habitat in well oxygenated, cold, deep-water with higher nutrient supplies from the surface.

Genus Thecosphaera Haeckel, 1881 Thecosphaera californica Clark & Campbell, 1942 (Fig. 14R, S) Thecosphaera californica Clark & Campbell, 1942: 22, pl. 4, fig. 7; 1945: 10, pl. 1, fig. 10. — Blueford & White 1984: pl. 3, fig. 5. — Blueford 1988: 247, pl. 3, figs 10-12. Thecosphaera californica sumensis Gorbunov, 1979: 91, pl. 12, fig. 1a-b. GEOGRAPHIC DISTRIBUTION. — California, Russian Platform, southern part. STRATIGRAPHIC RANGE. — Middle to latest middle Eocene (Clark & Campbell 1942, 1945; Blueford & White 1984; Blueford 1988); middle Eocene (Khokhlova 1996); late Eocene, Kievsky Group (Gorbunov 1979); early-middle Eocene (this study)., Published as part of Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), pp. 7-59 in Geodiversitas 24 (1) on page 49, DOI: 10.5281/zenodo.5375608, {"references":["HAECKEL E. 1881. - Entwurf eines Radiolarien- Systems auf Grund von Studien der Challenger- Radiolarien (Basis for a radiolarian classification from the study of Radiolaria of the Challenger collection). Jenaische Zeitschrift fur Naturwissenschaft 15: 418 - 472.","CLARK B. L. & CAMPBELL A. S. 1942. - Eocene radiolarian faunas from the Mount Diablo area, California. Geological Society of America, Special Papers 39: 1 - 112.","BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67 - 78.","BLUEFORD J. 1988. - Radiolarian biostratigraphy of siliceous Eocene deposits in central California. Micropaleontology 34 (3): 236 - 258.","GORBUNOV V. S. 1979. - Radiolyarii srednego i verkhnego eotsena Dneprovsko-Donetskoy vpadiny [= Radiolaria of the middle and upper Eocene of the Dnieper-Donets Basin]. [s. n.], [s. l.], 164 p.","CLARK B. L. & CAMPBELL A. S. 1945. - Radiolaria from the Kreyenhagen Formation near Los Banos, California. Geological Society of America 101 (i-vii): 1 - 66.","KHOKHLOVA I. E. 1996. - Paleogenovie radiolarii Ushnoi Rosii: taxonomicheskii sostav i paleoecologicheskie reconstruksii. Stratigrafia, Geologicheskaya korrelasiya 4: 53 - 61."]}

Amphisphaera megaxyphos tetraxyphos (Clark & Campbell, 1942) (Fig. 16D) Stylosphaera megaxyphos tetraxyphos Clark & Campbell, 1942: 26, pl. 6, figs 1, 8. Anomalocantha (?) sp. – Kozlova, 1999: pl. 29, fig. 6. GEOGRAPHIC DISTRIBUTION. — California, Voronesh Anticline. STRATIGRAPHIC RANGE. — Latest middle Eocene (Clark & Campbell 1942; Blueford & White 1984; Blueford 1988); middle Eocene (Kozlova 1990; 1999; this study)., Published as part of Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), pp. 7-59 in Geodiversitas 24 (1) on page 23, DOI: 10.5281/zenodo.5375608, {"references":["CLARK B. L. & CAMPBELL A. S. 1942. - Eocene radiolarian faunas from the Mount Diablo area, California. Geological Society of America, Special Papers 39: 1 - 112.","KOZLOVA G. E. 1999. - Radiolarii paleogene boreal'noi oblasti Rossii [= Paleogene Radiolarians of the Russian Boreal Realm]. Practicheskoe rykovodstvo po microfayne Rossii. VNIGRI, Saint-Petersburg, 9, 320 p.","BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67 - 78.","BLUEFORD J. 1988. - Radiolarian biostratigraphy of siliceous Eocene deposits in central California. Micropaleontology 34 (3): 236 - 258.","KOZLOVA G. E. 1990. - Philogeneticheskie issledovania kak osnova pri rasrabotke zonal'noi shkali boreal'nogo Paleogena po radiolariyam, in AMON E. O. (ed.), Radiolarii v biostratigrafii. [s. n.], Sverdlovsk: 70 - 81."]}

Druppatractus trichopterus Clark & Campbell, 1942 (Fig. 14L) Druppatractus trichopterus Clark & Campbell, 1942: 34, pl. 5, fig. 4. GEOGRAPHIC DISTRIBUTION. — California, Voronesh Anticline. STRATIGRAPHIC RANGE. — Early to late Eocene (Clark & Campbell 1942; Blueford & White 1984; this study)., Published as part of Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), pp. 7-59 in Geodiversitas 24 (1) on page 31, DOI: 10.5281/zenodo.5375608, {"references":["CLARK B. L. & CAMPBELL A. S. 1942. - Eocene radiolarian faunas from the Mount Diablo area, California. Geological Society of America, Special Papers 39: 1 - 112.","BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67 - 78."]}

Amphisphaera megaxyphos trixyphos (Clark & Campbell, 1942) (Fig. 7L) Stylosphaera megaxyphos trixyphos Clark & Campbell, 1942: 25, pl. 5, fig. 9. GEOGRAPHIC DISTRIBUTION. — California, Voronesh Anticline. STRATIGRAPHIC RANGE. — Middle to latest middle Eocene (Clark & Campbell 1942; Blueford & White 1984; Blueford 1988); (?)late Paleocene-early Eocene (this study)., Published as part of Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), pp. 7-59 in Geodiversitas 24 (1) on page 23, DOI: 10.5281/zenodo.5375608, {"references":["CLARK B. L. & CAMPBELL A. S. 1942. - Eocene radiolarian faunas from the Mount Diablo area, California. Geological Society of America, Special Papers 39: 1 - 112.","BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67 - 78.","BLUEFORD J. 1988. - Radiolarian biostratigraphy of siliceous Eocene deposits in central California. Micropaleontology 34 (3): 236 - 258."]}

Druppatractus polycentrus Clark & Campbell, 1942 (Fig. 17A) Druppatractus polycentrus Clark & Campbell, 1942: 35, pl. 5, fig. 19. GEOGRAPHIC DISTRIBUTION. — California, Voronesh Anticline. STRATIGRAPHIC RANGE. — Middle to late Eocene (Clark & Campbell 1942; Blueford & White 1984; Blueford 1988; this study)., Published as part of Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), pp. 7-59 in Geodiversitas 24 (1) on page 31, DOI: 10.5281/zenodo.5375608, {"references":["CLARK B. L. & CAMPBELL A. S. 1942. - Eocene radiolarian faunas from the Mount Diablo area, California. Geological Society of America, Special Papers 39: 1 - 112.","BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67 - 78.","BLUEFORD J. 1988. - Radiolarian biostratigraphy of siliceous Eocene deposits in central California. Micropaleontology 34 (3): 236 - 258."]}

Carposphaera globosa Clark & Campbell, 1945 (Fig. 16E) Carposphaera globosa Clark & Campbell, 1945: 9, pl. 1, figs 6-8. GEOGRAPHIC DISTRIBUTION. — California, Voronesh Anticline. STRATIGRAPHIC RANGE. — Middle to latest middle Eocene (Clark & Campbell 1945; Blueford & White 1984; Blueford 1988); middle Eocene (this study)., Published as part of Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), pp. 7-59 in Geodiversitas 24 (1) on page 27, DOI: 10.5281/zenodo.5375608, {"references":["CLARK B. L. & CAMPBELL A. S. 1945. - Radiolaria from the Kreyenhagen Formation near Los Banos, California. Geological Society of America 101 (i-vii): 1 - 66.","BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67 - 78.","BLUEFORD J. 1988. - Radiolarian biostratigraphy of siliceous Eocene deposits in central California. Micropaleontology 34 (3): 236 - 258."]}

Amphisphaera megaxyphos megaxyphos (Clark & Campbell, 1942) (Fig. 14O) Stylosphaera megaxyphos megaxyphos Clark & Campbell, 1942: 25, pl. 6, fig. 6. GEOGRAPHIC DISTRIBUTION. — California, Voronesh Anticline. STRATIGRAPHIC RANGE. — Middle to latest middle Eocene (Clark & Campbell 1942; Blueford & White 1984; Blueford 1988); middle-early late Eocene (this study).

Amphisphaera megaxyphos megaxyphos (Clark & Campbell, 1942) (Fig. 14O) Stylosphaera megaxyphos megaxyphos Clark & Campbell, 1942: 25, pl. 6, fig. 6. GEOGRAPHIC DISTRIBUTION. — California, Voronesh Anticline. STRATIGRAPHIC RANGE. — Middle to latest middle Eocene (Clark & Campbell 1942; Blueford & White 1984; Blueford 1988); middle-early late Eocene (this study)., Published as part of Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), pp. 7-59 in Geodiversitas 24 (1) on pages 21-23, DOI: 10.5281/zenodo.5375608, {"references":["CLARK B. L. & CAMPBELL A. S. 1942. - Eocene radiolarian faunas from the Mount Diablo area, California. Geological Society of America, Special Papers 39: 1 - 112.","EHRENBERG C. G. 1875. - Fortsetzung der mikrogeologischen Studien als Gesammt-uebersicher mikroskopischen Palaontologie gleichartig analysirter Gebirgsarten der Erde, mit specieller Rucksicht auf den Polycystinen-Mergel von Barbados. Konigliche Akademie der Wissenschaften zu Berlin, 225 p.","BRANDT R. 1936. - Die Mikropalaeontologie des Heiligenhafener Kieseltones (Ober-Eozan) Radiolarienz Systematik, in WETZEL E. O. (ed.), Jahresbericht des Niedersachsischen geologischen Vereins. Hannover, Germany: 48 - 59.","KOZLOVA G. E. & GORBOVETZ A. N. 1966. - Radiolarians of the Upper Cretaceous and Upper Eocene deposits of the West Siberian Lowland. Proceedings of the All Union Petroleum Scientific Research Institute for Geological Survey (VNIGRI) 248: 1 - 159.","MATO C. Y. & THEYER F. 1980. - Lychnocanoma bandyca n. sp., a new stratigraphically important late Eocene radiolarian, in SLITER W. V. (ed.), Studies in marine micropaleontology and paleoecology. Memorial Volume to Orville L. Bandy. 19, Cushman Foundation for Foraminiferal Research, special publication: 225 - 229.","POPOFSKY A. 1908. - Die Radiolarien der Antarktis (mit Ausnahme der Tripyleen), in DRYGALSKI E. (ed.), Deutsche Sudpolar-Expedition, 1901 - 1903. Georg Reimer, Berlin: 183 - 306.","LIPMAN R. K. 1953. - Materialy k izucheniyu radiolaryii paleogena zapadnykh raionovs srednei azii [= Material for radiolarians study of the Paleogene of the Central Asia - western regions]. Ezhegodnik Vsesoyuznogo Paleontologicheskogo Obshchestva (Akademiya Nauk SSSR) 14: 135 - 157.","BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67 - 78.","BLUEFORD J. 1988. - Radiolarian biostratigraphy of siliceous Eocene deposits in central California. Micropaleontology 34 (3): 236 - 258."]}

Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V., Glezer, Zoya I. (2002): Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline). Geodiversitas 24 (1): 7-59, DOI: http://doi.org/10.5281/zenodo.5375608, {"references": ["ABELMANN A. 1990. - Oligocene to Middle Miocene radiolarian stratigraphy of southern high latitudes from Leg 113, sites 689, and 690, Maud Rise. Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program) 113: 675-708.", "BAUMGARTNER P. O., O'DOGHERTY L., GORICHAN S., PILLEVUIT A. & DE WEVER P. 1995. - Middle Jurassic to Lower Cretaceous radiolaria of Tethys: occurrences, systematics, biochronology. Memoires de Geologie 23, 1171 p.", "BENYAMOVSKY V. N., MUZILEV N. G., ORESHKINA T. V., RADIONOVA E. P., KHOKHLOVA I. E., ZASTROSHNOV A. S., MYSATOV V. A. & NAZARKOV A. G. 1993. - Nekotorie opornie rasresi srednego i verkhnego Eocena Voroneshskoi Anteklisi, Nishnego Povolshya i Vostochnogo PriCaspiya. Bulletin regionalinoi meshvedomstvennoi stratigraficheskoi komissii po Centry i Ugy Rysskoi Platformi 2: 123-128.", "BJORKLUND K. R. 1976. - Radiolaria from the Norwegian Sea, Leg 38 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project 38: 1101-1168.", "BJORKLUND K. R. & KELLOGG D. E. 1972. - Five new Eocene radiolarian species from the Norwegian Sea. Micropaleontology 18 (3): 386-396.", "BLUEFORD J. 1988. - Radiolarian biostratigraphy of siliceous Eocene deposits in central California. Micropaleontology 34 (3): 236-258.", "BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67-78.", "BLUEFORD J. 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