Traits taxon details
original description
Winchell, A. (1865). Descriptions of New Species of Fossils, from the Marshall Group of Michigan, and its supposed equivalent in other States; with Notes on some Fossils of the same age previously described. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 17: 109-133., available online at https://www.biodiversitylibrary.org/page/1682206 page(s): 126 [details]
basis of record
Hutchinson, T. W.; Stumm, E. C. (1965). Upper Devonian and Lower Mississippian pectinoid pelecypods from Michigan, Ohio, Indiana, Iowa, and Missouri. <em>Contributions from the Museum of Paleontology, The University of Michigan.</em> 20(1): 1-48, 7 pls. page(s): 32-34, pl. 7, figs 1-3, 6, table 10 [details] Available for editors 
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