MolluscaBase taxon details
original description
Nakano, M. (1957). On the occurrence of <em>Psilotrigonia</em> in the Cretaceous of the Kwanto Mountainous Land, Japan. <em>Journal of Science of the Hiroshima University, Series C, Earth and Planetary Sciences.</em> 2: 69-71. page(s): 70, text-figs 1-3 [details] Available for editors [request]
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