Traits name details
original description
Nagao, T. (1928). Palaeogene fossils of the island of Kyûshû, Japan. Part I. <em>Science reports of the Tohoku Imperial University. 2nd series, Geology.</em> 9(3): 97-128, pls. 18-22. page(s): 122, pl. 17, figs 11-13, pl. 21, fig. 13 [details] Available for editors 
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