MolluscaBase name details
Planaxis (Orthochilus) Cossmann, 1889 †
1430169 (urn:lsid:marinespecies.org:taxname:1430169)
unaccepted
Subgenus
Cerithium bezanconi de Raincourt, 1870 † accepted as Orthochilus bezanconi (de Raincourt, 1870) † (type by original designation)
- Species Planaxis (Orthochilus) breviculus Cossmann, 1907 † accepted as Hemisinus hermanni (Le Renard, 1994) † (unaccepted > junior homonym, junior homonym of Planaxis breviculus Deshayes, 1844; Hemisinus hermanni is a replacement name)
marine, brackish, fresh, terrestrial
fossil only
Cossmann, M. (1889). Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris. <em>Annales de la Société Royale Malacologique de Belgique.</em> 24: 3-381, pls 1-12., available online at https://www.biodiversitylibrary.org/page/5502754
page(s): 7 [details]
page(s): 7 [details]
MolluscaBase eds. (2021). MolluscaBase. Planaxis (Orthochilus) Cossmann, 1889 †. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=1430169 on 2025-09-11
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original description
Cossmann, M. (1889). Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris. <em>Annales de la Société Royale Malacologique de Belgique.</em> 24: 3-381, pls 1-12., available online at https://www.biodiversitylibrary.org/page/5502754
page(s): 7 [details]
page(s): 7 [details]
