Traits name details
original description
(of Pecten duplicatus J. Hall, 1843 †) Hall, J. (1843). Geology of New-York. Part IV, comprising the survey of the fourth geological district. <em>Natural History of New York.</em> 4: 1-683., available online at https://www.biodiversitylibrary.org/page/55361967 page(s): 264, textfig. 119(2) [details]
basis of record
Hall, J. (1883-1884). Lamellibranchiata I. Plates and Explanations, containing descriptions and figures of the Monomyaria of the upper Helderberg, Hamilton and Chemung groups. <em>Natural History of New York, Paleontology.</em> 5(1): i-xviii + 1-268, 79 pls. New York Geological Survey, Albany., available online at https://www.biodiversitylibrary.org/page/54942549 page(s): 17-18, pl. 7, figs 1-7, pl. 81, figs 9, 10 [details]
status source
McAlester, A. L. (1962). Upper Devonian Pelecypods of the New York Chemung Stage. <em>Bulletin of the Peabody Museum of Natural History.</em> 16: 1-88, 32 pls. page(s): 49 [details] Available for editors 
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