MolluscaBase name details
original description
Stanton, T.W. (1916). Nonmarine Cretaceous invertebrates of the San Juan Basin. <em>United States Geological Survey Professional Paper.</em> 98-R: 309-326., available online at https://pubs.usgs.gov/pp/0098r/report.pdf page(s): 315, pl. 81, figs 4-5 [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313. page(s): 82 [details] Available for editors [request]
From editor or global species database
Type locality "From the Fruitland formation, 150 feet above its base, at Bauer's locality 48, 25 miles south of the San Juan and 6 miles east of Chaco River, N. Mex. (locality 9288)", USA; Campanian, Late Cretaceous [details]
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