Traits taxon details
original description
(of ) Yochelson E.L. (1960). Permian Gastropoda of the southwestern United States. 3. Bellerophontacea and Patellacea. <em>Bulletin of the American Museum of Natural History.</em> 119(4): 205-294. page(s): 268, pl. 50, figs. 17-20. [details] Available for editors 
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