Traits taxon details
original description
(of Grammysia hamiltonensis Verneuil, 1847 †) Verneuil, É. de. (1847). Remarques sur le fossiles paléozoïques communs à l'Amérique et à l'Europe, et ur les rapports qu'ils offrent dans leur distribution. <em>Bulletin de la Société Géologique de France, deuxième série.</em> 4: 688-709., available online at https://www.biodiversitylibrary.org/page/54331635 page(s): 696, textfig. [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): 116 [details]
basis of record
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): 85 [details]
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