MolluscaBase name details
original description
Yehara, S. (1923). Cretaceous Trigoniae from Amakusa islands, Prov. Higo, Kyûshû, Japan. <em>The Journal of the Geological Society of Japan.</em> 30: 1-12. page(s): 2, pl. 4, figs 1, 2, pl. 5, fig. a [details]
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