Bivalvia | Unionoida nominal species Unio transpacifica Hannibal, 1912
Arnold & Hannibal in Hannibal, 1912, Proc. Malac. Soc. London 10(2): 123, pl. 7, fig. 18.
= unionoid fossil Taxonomic Opinions
= Unio transpacifica Arnold & Hannibal — Henderson, 1935
= Unio transpacifica Arnold & Hannibal — Hannibal, 1912
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