Traits name details
original description
Ota, Y. (1959). On the "<em>Nippononaia</em>" from the Lower Cretaceous Wakino Subgroup, North Kyushu, Japan. <em>Transactions and Proceedings of the Palaeontological Society of Japan, new series.</em> 34: 105-110., available online at https://doi.org/10.14825/prpsj1951.1959.34_105 page(s): 107-108, pl. 11, figs 1-7, 11 [details] Available for editors
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