MolluscaBase taxon details
original description
(of Arca amicula Yokoyama, 1925 †) Yokoyama, M. (1925). Tertiary Mollusca from Shinano and Echigo. <em>Journal of the Faculty of Science, Imperial University of Tokyo, Section 2.</em> 1(1): 1-23. page(s): 19, pl. 7, figs. 2–4 [details]
basis of record
Matsubara, T. (2009). Neogene Mollusca from the Yunokogawa Formation in the Shimokita Peninsula, Northeast Japan. <em>Paleontological Research.</em> 13(2): 173-192., available online at https://doi.org/10.2517/1342-8144-13.2.173 page(s): 178, figs. 5.2a, 5.2b, 5.3 [details] Available for editors [request]
From editor or global species database
Fossil range Upper Miocene to Lower Pleistocene [details]
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