Traits name details
original description
Henderson, J. (1918). The nomenclature and systematic positions of some North American fossil and recent mollusks. <em>The Nautilus.</em> 32(2): 60-64., available online at https://biodiversitylibrary.org/page/1772069 page(s): 60 [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): 92 [details] Available for editors 
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