Traits name details
original description
Hayami, I. (1959). Some pelecypods from the Tsukinoura formation in Miyagi Prefecture. <em>Transactions and Proceedings of the Palaeontological Society of Japan, new series.</em> 35: 133-137, pl. 14. page(s): 135, pl. 14, fig. 3a, b [details] Available for editors
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