MolluscaBase name details
Amphiscapha (Cylicioscapha) grada Yochelson & Dutro, 1960 †
1862551 (urn:lsid:marinespecies.org:taxname:1862551)
uncertain > unassessed
Species
marine, brackish, fresh, terrestrial
fossil only
Yochelson, E. L.; Dutro, J. T., Jr. (1960). Late Paleozoic Gastropoda from northern Alaska. <em>United States Geological Survey Professional Paper.</em> 334-D: 111-147., available online at https://pubs.usgs.gov/pp/0334d/report.pdf
page(s): 134, pl. 12, figs 27-29 [details] Available for editors
[request]
page(s): 134, pl. 12, figs 27-29 [details] Available for editors
[request]
Type locality contained in Alaska
type locality contained in Alaska [details]
MolluscaBase eds. (2025). MolluscaBase. Amphiscapha (Cylicioscapha) grada Yochelson & Dutro, 1960 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1862551 on 2026-04-17
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The webpage text is licensed under a Creative Commons
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original description
Yochelson, E. L.; Dutro, J. T., Jr. (1960). Late Paleozoic Gastropoda from northern Alaska. <em>United States Geological Survey Professional Paper.</em> 334-D: 111-147., available online at https://pubs.usgs.gov/pp/0334d/report.pdf
page(s): 134, pl. 12, figs 27-29 [details] Available for editors [request]
page(s): 134, pl. 12, figs 27-29 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
