Traits taxon details
original description
(of Trigonia melhasei F. M. Anderson, 1958 †) Anderson, F. M. 1958. Upper Cretaceous of the Pacific Coast. The Geological Society of America, Memoir 71, 1-378. page(s): 113, pl. 26, fig. 7 [details] Available for editors 
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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