MolluscaBase name details
Helisoma (Perrinilla) Hannibal, 1912 †
1261909 (urn:lsid:marinespecies.org:taxname:1261909)
unaccepted > junior subjective synonym
Subgenus
- Species Helisoma (Perrinilla) cordillerana Hannibal, 1912 † accepted as Vorticifex cordillerana (Hannibal, 1912) † (unaccepted > superseded combination)
fossil only
Hannibal, H. (1912). A synopsis of the recent and Tertiary freshwater Mollusca of the Californian province, based upon an ontogenetic classification. <em>Proceedings of the Malacological Society of London.</em> 10(2): 112-166, pls 5-6; 10(3): 167-211, pls 7-8., available online at http://biodiversitylibrary.org/page/15237075
page(s): 159 [details]
page(s): 159 [details]
MolluscaBase eds. (2025). MolluscaBase. Helisoma (Perrinilla) Hannibal, 1912 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1261909 on 2025-04-25
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original description
Hannibal, H. (1912). A synopsis of the recent and Tertiary freshwater Mollusca of the Californian province, based upon an ontogenetic classification. <em>Proceedings of the Malacological Society of London.</em> 10(2): 112-166, pls 5-6; 10(3): 167-211, pls 7-8., available online at http://biodiversitylibrary.org/page/15237075
page(s): 159 [details]
source of synonymy Firby, J.R. (1993). A new species of <em>Vorticifex</em> (Gastropoda: Planorbidae) from late Cenozoic lake deposits, Nevada <em>Journal of Paleontology</em>. 67(3): 370-374, available online at https://doi.org/10.1017/S0022336000036854
page(s): 371 [details]
page(s): 159 [details]
source of synonymy Firby, J.R. (1993). A new species of <em>Vorticifex</em> (Gastropoda: Planorbidae) from late Cenozoic lake deposits, Nevada <em>Journal of Paleontology</em>. 67(3): 370-374, available online at https://doi.org/10.1017/S0022336000036854
page(s): 371 [details]
