MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Mon 2 March 2026
Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Gonideini | Obovalis omiensis
nominal species Pseudodon loomisi Simpson, 1900
Pseudodon loomisi Simpson, 1900 = Obovalis omiensis
Simpson, 1900. Proc. Acad. Nat. Sci. 52: 84, pl. 4, fig. 7.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 840.
Simpson, 1914. Descr. Cat. Naiades: 1101.
Taxonomic Opinions
+ Obovalis omiensis (Heimburg, 1884) — Graf & Cummings, 2021: 21.
+ Obovalis omiensis (Heimburg, 1884) — Kondo, 2008: 29.
+ Pseudodon (Obovalis) omiensis (von Heimburg, 1884) — Graf & Cummings, 2007: 311.
+ Pseudodon (Obovalis) omiensis (Heimburg, 1884) — Habe, 1977: 116.
+ Pseudodon (Obovalis) omiensis (von Heimburg, 1884) — Haas, 1969: 140.
= Pseudodon (Obovalis) loomisi Simpson, 1900 — Haas, 1969: N434, fig. D31:3.
= Pseudodon (sec. Obovalis) loomisi Simpson — Thiele, 1934: 820, [1250].
= Pseudodon (Obovalis) loomisi Simpson, 1900 — Haas, 1920: 308, pl. 39, fig. 2.
= Pseudodon (sec. Obovalis) loomisi Simpson, 1900 — Simpson, 1914: 1101.
= Pseudodon (sec. Obovalis) loomisi Simpson, 1900 — Simpson, 1900: 840.
= Pseudodon loomisi Simpson — Simpson, 1900: 84, pl. 4, fig. 7.
