MolluscaBase name details
Hypoptychus Pilsbry, 1893
998821 (urn:lsid:marinespecies.org:taxname:998821)
unaccepted (invalid; nom. nov. pro Ptychostylus Möllendorff, 1888; preoccupied by Hypoptychus Steindachner, 1880 [Pisces])
Genus
Helix cepoides I. Lea, 1840 accepted as Pachya cepoides (I. Lea, 1840) (type by typification of replaced name)
(of Cochlostyla (Hypoptychus) Pilsbry, 1893) Pilsbry, H. A. (1893). Preliminary outline of a new classification of the helices. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 44: 387-400 [14 February 1893], 401-404 [7 February 1893]., available online at https://www.biodiversitylibrary.org/page/26370165
page(s): 395; note: nom. nov. pro Ptychostylus Möllendorff, 1888, non Sandberger, 1870 [details]
page(s): 395; note: nom. nov. pro Ptychostylus Möllendorff, 1888, non Sandberger, 1870 [details]
MolluscaBase eds. (2021). MolluscaBase. Hypoptychus Pilsbry, 1893. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=998821 on 2025-09-11
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original description
(of Cochlostyla (Hypoptychus) Pilsbry, 1893) Pilsbry, H. A. (1893). Preliminary outline of a new classification of the helices. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 44: 387-400 [14 February 1893], 401-404 [7 February 1893]., available online at https://www.biodiversitylibrary.org/page/26370165
page(s): 395; note: nom. nov. pro Ptychostylus Möllendorff, 1888, non Sandberger, 1870 [details]
basis of record Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]
page(s): 395; note: nom. nov. pro Ptychostylus Möllendorff, 1888, non Sandberger, 1870 [details]
basis of record Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]
