MolluscaBase taxon details
original description
(of Trigonia colusaensis 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): 110, pl. 1, fig. 6 [details] Available for editors [request]
original description
(of Trigonia wheelerensis 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): 116 [details] Available for editors [request]
original description
(of Trigonia leana Gabb, 1876 †) Gabb, W. M. (1876). Notes on American Cretaceous fossils, with descriptions of some new species. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 28: 276-324, 1 pl., available online at https://www.biodiversitylibrary.org/page/26299027
page(s): 312 [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 [request]