Traits taxon details
original description
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): 76, fig. 1 [details]
additional source
Kindle, E. M.; Barnett, V. H. (1908). The stratigraphic and faunal relations of the Waldron fauna in southern Indiana. <em>Annual Report of the Department of Geology and Natural Resources of Indiana.</em> 33: 393–415., available online at https://www.biodiversitylibrary.org/page/45496158 [details]
additional source
Hall, J. (1852). Paleontology of New York. Volume II. Containing descriptions of the organic remains of the lower middle division of the New-York system. Albany, 362 pp., available online at https://www.biodiversitylibrary.org/page/42448346 page(s): 86, 285, pl. 27, fig. 11a, b [details] 
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