MolluscaBase taxon details
original description
(of Polymesoda (Geloina) hokkaidoensis bibaiensis Nagao & Ôtatume, 1943 †) Nagao, T.; Ôtatume, K. (1943). The Fossil Corbiculids from the Palaeogene Isikari Series in the Isikari Coal-Field, Hokkaidô. <em>Journal of the Faculty of Science, Hokkaido Imperial University. Ser. 4, Geology and mineralogy.</em> 7(1): 1-13. page(s): 4-5, pl. 1, fig. 5 [details] Available for editors [request]
basis of record
Ôtatume, K. (1943). The Fossil Corbiculids from Hokkaidô and Karahuto. <em>The Journal of the Geological Society of Japan.</em> 50(599): 216-222., available online at https://doi.org/10.14825/prpsj1935.1943.287 page(s): 289-291, textfigs 1, 1a, 2, 2a [details] Available for editors [request]
additional source
Oyama, K., Mizuno, A. & Sakamoto, T. (1960) Illustrated Handbook of Japanese Paleogene Molluscs. Geological Survey of Japan, Tokyo, 244 pp., 71 pls. page(s): 158, pl. 47, fig. 3 [details]
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