Traits name details
original description
Olsson, A. A. (1944). Contributions to the paleontology of northern Peru. Part VII. The Cretaceous of the Paita region. <em>Bulletins of American Paleontology.</em> 28(111), 159-304., available online at https://biodiversitylibrary.org/page/10679217 page(s): 200, pl. 3, figs 4, 5, 10 [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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