MolluscaBase name details
Rhiostoma americana G D. Hanna, 1920 †
1079197 (urn:lsid:marinespecies.org:taxname:1079197)
unaccepted > incorrect grammatical agreement of specific epithet
Species
fossil only
Hanna, G.D. (1920). Fossil mollusks from the John Day Basin in Oregon, contained in the Condon Museum of the University of Oregon. <em>University of Oregon Publication.</em> 1(6): 1-18., available online at https://www.biodiversitylibrary.org/page/20825598
page(s): 5, pl. 1, figs 4a-b [details]
page(s): 5, pl. 1, figs 4a-b [details]
Note "from the John Day Oligocene", Oregon, United...
Type locality "from the John Day Oligocene", Oregon, United States [details]
MolluscaBase eds. (2021). MolluscaBase. Rhiostoma americana G. D. Hanna, 1920 †. Accessed at: http://molluscabase.org/aphia.php?p=taxdetails&id=1079197 on 2025-09-11
Date
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original description
Hanna, G.D. (1920). Fossil mollusks from the John Day Basin in Oregon, contained in the Condon Museum of the University of Oregon. <em>University of Oregon Publication.</em> 1(6): 1-18., available online at https://www.biodiversitylibrary.org/page/20825598
page(s): 5, pl. 1, figs 4a-b [details]
basis of record Roth, B. (1986). Land mollusks (Gastropoda: Pulmonata) from Early Tertiary Bozeman Group, Montana. <em>Proceedings of the California Academy of Sciences.</em> 44(11): 237-267., available online at https://www.biodiversitylibrary.org/page/16005679
page(s): 261 [details] Available for editors
[request]
page(s): 5, pl. 1, figs 4a-b [details]
basis of record Roth, B. (1986). Land mollusks (Gastropoda: Pulmonata) from Early Tertiary Bozeman Group, Montana. <em>Proceedings of the California Academy of Sciences.</em> 44(11): 237-267., available online at https://www.biodiversitylibrary.org/page/16005679
page(s): 261 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality "from the John Day Oligocene", Oregon, United States [details]
