Traits taxon details
original description
Ulrich, E. O.; Foerste, A. F. (1936). New genera of Ozarkian and Canadian cephalopods. <em>Journal of the Scientific Laboratories of Denison University.</em> 30: 259-290. [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 [details] Available for editors 
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