Traits name details
original description
Packard, E. L. (1921). The Trigoniae from the Pacific coast of North America. <em>University of Oregon Publication.</em> 1: 1-59. page(s): 26, pl. 9, fig. 7 [details]
basis of record
Cooper, M. R. (2015). On the Pterotrigoniidae (Bivalvia, Trigoniida): their biogeography, evolution, classification and relationships. <em>Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen.</em> 277(1): 11-42., available online at https://doi.org/10.1127/njgpa/2015/0488 [details] Available for editors 
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