MolluscaBase taxon details
original description
Yen, T.-C. (1951). Some Triassic Fresh-Water Gastropods from Northern Arizona. <em>American Journal of Science.</em> 249: 671-675. page(s): 673-674, pl. 1, figs 6-10 [details] Available for editors [request]
additional source
Seegis, D. (1997). Die Lehrbergschichten im Mittleren Keuper von Süddeutschland - Stratigraphie, Petrographie, Paläontologie, Genese. Verlag Manfred Hennecke, Remshalden, 382 pp. page(s): 120-122 [details]
From editor or global species database
Type locality About 28.7 miles south from Navajo Bridge on U. S. highway 89, north of Tuba City, Arizona, United States; Chinle Formation, late Triassic [details]
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