Bivalvia | Unionoida nominal species Unio subtrigonalis Whitfield, 1903
Whitfield, 1903, Bull. AMNH 19: 626, pl. 40, figs. 5-6.
= unionoid fossil Taxonomic Opinions
= Unio subtrigonalis Whitfield, 1903 — Hartmann, 1998
= Callonaia subtrigonalis (Whitfield, 1907) — Modell, 1957
= Castalia (Callonaia) subtrigonalis (Whitfield, 1907) — Modell, 1950
= Unio subtrigonalis Whitfield — Henderson, 1935
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