MolluscaBase taxon details
Cylicioscapha williamsi (Yochelson, 1956) †
1862627 (urn:lsid:marinespecies.org:taxname:1862627)
accepted
Species
Amphiscapha (Cylicioscapha) williamsi Yochelson, 1956 † · unaccepted > superseded combination
marine, brackish, fresh, terrestrial
fossil only
(of Amphiscapha (Cylicioscapha) williamsi Yochelson, 1956 †) Yochelson, E. L. (1956). Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Pesudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea. <em>Bulletin of the American Museum of Natural History.</em> 110(3): 173-276.
page(s): 227-228, pl. 13, figs 12-14, 16-19 [details] Available for editors
[request]
page(s): 227-228, pl. 13, figs 12-14, 16-19 [details] Available for editors
[request]
Type locality contained in Texas
type locality contained in Texas [from synonym] [view taxon] [details]
MolluscaBase eds. (2026). MolluscaBase. Cylicioscapha williamsi (Yochelson, 1956) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1862627 on 2026-04-02
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
(of Amphiscapha (Cylicioscapha) williamsi Yochelson, 1956 †) Yochelson, E. L. (1956). Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Pesudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea. <em>Bulletin of the American Museum of Natural History.</em> 110(3): 173-276.
page(s): 227-228, pl. 13, figs 12-14, 16-19 [details] Available for editors [request]
basis of record Pan, H.-Z.; Erwin, D. H. (2002). Gastropods from the Permian of Guangxi and Yunnan provinces, South China. <em>The Paleontological Society Memoir.</em> 56: 1-49.
page(s): 19 [details] Available for editors [request]
page(s): 227-228, pl. 13, figs 12-14, 16-19 [details] Available for editors
[request]basis of record Pan, H.-Z.; Erwin, D. H. (2002). Gastropods from the Permian of Guangxi and Yunnan provinces, South China. <em>The Paleontological Society Memoir.</em> 56: 1-49.
page(s): 19 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
