MolluscaBase taxon details
original description
(of Trigonia taffi Cragin, 1893 †) Cragin, F. W. (1893). A contribution to the invertebrate paleontology of the Texas Cretaceous. In: Dumble, E.T. (Ed.) Fourth Annual Report of the Geological Survey of Texas. Paleontology and Natural History, 9. Geological Survey of Texas, Austin, pp. 139-295, pls 24-46. [published June 1893]., available online at https://repositories.lib.utexas.edu/handle/2152/77954 page(s): 214 [details]
basis of record
Cooper, M. R. (2020). On the Quadratotrigoniinae (Trigoniida: Myophorelloidea), their palaeobiogeography, evolution and classification. <em>Durban Natural Science Museum Novitates.</em> 39, 1-48. [details] Available for editors [request]
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