MolluscaBase source details
Yabe, H. & Nagao, T. (1928). Cretaceous fossils from Hokkaido: Annelida, Gastropoda and Lamellibranchiata. The Science Reports of the Tōhoku University, Series 2, Geology. 9: 77-96.
441987
Yabe, H. & Nagao, T.
1928
Cretaceous fossils from Hokkaido: Annelida, Gastropoda and Lamellibranchiata
The Science Reports of the Tōhoku University, Series 2, Geology
9: 77-96
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Pecten (Propeamussium) cowperi var. yubarensis Yabe & Nagao, 1928 † accepted as Propeamussium yubarense (Yabe & Nagao, 1928) † (original description)
Trigonia ainuana Yabe & Nagao, 1928 † accepted as Yeharella ainuana (Yabe & Nagao, 1928) † (original description)
Trigonia ainuana Yabe & Nagao, 1928 † accepted as Yeharella ainuana (Yabe & Nagao, 1928) † (original description)