Traits taxon details
original description
(of ) Conrad, T. A. (1838). Report of T. A. Conrad on the Palaeontological Department of the Survey. <em>Documents of the Assembly of the State of New-York.</em> 61(200): 107-119., available online at https://books.google.de/books?id=A0gbAQAAIAAJ page(s): 118 [details]
basis of record
Hall J. (1847). Palaeontology of New York, vol. 1, Containing descriptions of the organic remains of the lower division of the New York system, (equivalent of the Lower Silurian rocks of Europe). <em>Albany: C. van Benthuysen.</em> xxiii+1-338., available online at https://biodiversitylibrary.org/page/55227010 [details]
additional source
Pojeta, J. Jr.; Zhang, R.-J.; Yang, Z.-Y. (1986). Systematic paleontology of Devonian pelecypods of Guangxi and Michigan. In: Pojeta, J. Jr. Devonian Rocks and Lower and Middle Devonian Pelecypods of Guangxi, China, and the Traverse Group of Michigan. <em>United States Geological Survey Professional Paper.</em> 1394-G: 57-102., available online at https://doi.org/10.3133/pp1394AG page(s): 74 [details]
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