Traits taxon details
original description
(of Trigonia neuquensis Burckhardt, 1903 †) Burckhardt, C. (1903). Beiträge zur Kenntnis der Jura- und Kreideformation der Cordillere. <em>Palaeontographica.</em> 50: 1-144. page(s): 74, pl. 14, figs 4-6 [details]
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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