WoRMS taxon details
Nomenclatureoriginal description
Ruedemann, R. (1906). Cephalopoda of the Beekmantown and Chazy Formations. <em>New York State Museum Bulletin.</em> 90: 393-611. page(s): 461–463, pl. 18, figs 4–7, text-fig. 24 [details]
basis of record
Kröger, B.; Landing, E. (2009). Cephalopods and paleoenvironments of the Fort Cassin Formation (upper Lower Ordovician), eastern New York and adjacent Vermont. <em>Journal of Paleontology.</em> 83(5): 664-693., available online at https://doi.org/10.1666/08-181.1 page(s): 687 [details] Available for editors [request]
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