Traits name details
original description
Hase, A. (1960). The Late Mesozoic formations and their molluscan fossils in west Chugoku and north Kyushu, Japan. <em>Journal of Science of the Hiroshima University. Series C (Geology and Mineralogy).</em> 3(2): 281-342. page(s): 316, pl. 37, figs 5-9 [details] Available for editors 
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