Traits name details
original description
Anderson, F. M. 1958. Upper Cretaceous of the Pacific Coast. The Geological Society of America, Memoir 71, 1-378. page(s): 112, pl. 17, fig. 5 [details] Available for editors 
basis of record
Cooper, M. R. & Leanza, H. A. (2017). On the Steinmanellidae (Bivalvia: Myophorelloidea); their palaeo-biogeography, evolution and classification. <em>Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen.</em> 285 (3): 313-335., available online at https://doi.org/10.1127/njgpa/2017/0683 [details] Available for editors 
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