Traits name details
original description
White, C. A. (1889). On invertebrate fossils from the Pacific coast. <em>United States Geological Survey, Bulletin.</em> 51: 435-532, 14 pls. page(s): 58-59, pl. 10, figs 8-11 [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): 102 [details] Available for editors 
|