MolluscaBase name details
Helicina tertiana (Conrad, 1874) †
1345653 (urn:lsid:marinespecies.org:taxname:1345653)
unaccepted > superseded combination
Species
fossil only
(of Pachytoma tertiana Conrad, 1874 †) Conrad, T. A. (1874). Remarks on the Tertiary clay of the Upper Amazon with descriptions of new shells. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 1874: 25-32., available online at https://www.biodiversitylibrary.org/page/26361848
page(s): 31, pl. 1, fig. 11 [details]
page(s): 31, pl. 1, fig. 11 [details]
MolluscaBase eds. (2021). MolluscaBase. Helicina tertiana (Conrad, 1874) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1345653 on 2025-09-12
Date
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original description
(of Pachytoma tertiana Conrad, 1874 †) Conrad, T. A. (1874). Remarks on the Tertiary clay of the Upper Amazon with descriptions of new shells. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 1874: 25-32., available online at https://www.biodiversitylibrary.org/page/26361848
page(s): 31, pl. 1, fig. 11 [details]
page(s): 31, pl. 1, fig. 11 [details]