Pontoscolex Schmarda 1861

Genus Pontoscolex Schmarda, 1861 Type species. Lumbricus corethrurus Müller, 1857 Diagnosis. Setae, 8 per segment, the arrangement may be regular, more or less irregular, or quincunx. Pigmentation is generally absent. Male pores in the clitellar region. Intra-clitellar tubercula pubertatis are exceptionally absent (e.g. P. Nulloscolex hugoi). Gizzard in VI. Three pairs of calciferous glands tubular-dichotomous (panicled) structure, rarely simple tubular (P. Mesoscolex juanae and P. Nulloscolex hugoi) in VII–IX. Lateral blood vessels in VII–IX and lateroesophageal hearts in X and XI. Holonephridial system. Metandric and metagynous; seminal vesicles usually long and band-like, pierce some septa. Spermathecae simple (after Righi 1984).
Published as part of Hernández-García, Luis Manuel, Sousa, Sandriel Costa, Pereira, Natália Jovita, Rousseau, Guillaume Xavier & Ferreira, Carmen, 2023, Additions to earthworms (Annelida, Crassiclitellata) from Aragua and Miranda states, Venezuela, pp. 171-182 in Zootaxa 5255 (1) on page 176, DOI: 10.11646/zootaxa.5255.1.18, http://zenodo.org/record/7744674
{"references":["Muller, F. (1857) Description of a new species of earthworm (Lumbricus corethrurus). Annals and Magazine of Natural History, 20, 13 - 151. https: // doi. org / 10.1080 / 00222935709487865"]}