MolluscaBase source details
Nakano, M. (1957). On the occurrence of Psilotrigonia in the Cretaceous of the Kwanto Mountainous Land, Japan. Journal of Science of the Hiroshima University, Series C, Earth and Planetary Sciences. 2: 69-71.
441969
Nakano, M.
1957
On the occurrence of <em>Psilotrigonia</em> in the Cretaceous of the Kwanto Mountainous Land, Japan
Journal of Science of the Hiroshima University, Series C, Earth and Planetary Sciences
2: 69-71
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Psilotrigonia sanchuensis M. Nakano, 1957 † (original description)