MolluscaBase taxon details
original description
(of Astraea (Pachypoma) omorii Shibata, 1957 †) Shibata M. (1957). Some molluscan fossils from the eastern part of the Tanzawa Mountainland. <em>Transactions and Proceedings of the Palaeontological Society of Japan.</em> new ser., 25: 21-25.
page(s): 24, pl. 4 figs 2a-c [details]
basis of record
Amano, K. (2019). Two warm-water species of Trochoidea (Gastropoda) from Pliocene deposits on the Japan Sea side of Honshu, Japan, with remarks on the influence of the onset of Northern Hemisphere glaciation. <em>The Nautilus.</em> 133 (2): 57-66.
page(s): 59, figs 6-13, 15, 17 [details]