Traits taxon details
original description
(of ) White, C. A.; Whitfield, R. P. (1862). Observations upon the rocks of the Mississippi Valley which have been referred to the Chemung Group of New York, together with descriptions of new species of fossils from the same horizon at Burlington, Iowa. <em>Proceedings of the Boston Society of Natural History.</em> 8: 289-306., available online at https://www.biodiversitylibrary.org/page/9492703 page(s): 295-296; note: genus spelt as "Aviculo-pecten" [details]
basis of record
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 [details]
additional source
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): 29-32, pl. 6, figs 2-4, 6-10, table 9 [details] Available for editors 
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