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Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Pachynaias spheniopsis

nominal species Unio rugososulcatus Lea, 1866

Unio rugososulcatus Lea, 1866 = Pachynaias spheniopsis

Lea, 1866. Proc. Acad. Nat. Sci. 18: 33.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 266 [26], pl. 34, fig. 81.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_84392 (by R.I. Johnson, 1974: 127), Central America.

= Pachynaias spheniopsis

Taxonomic Opinions

+ Pachynaias spheniopsis (Morelet, 1849) — Cummings et al., 2025

= Pachynaias rugososulcata (Lea, 1866) — Graf & Cummings, 2021

= Pachynaias rugosulcata [sic] Lea, 1866 — Bogan, 2010

= Pachynaias rugosulcata [sic] (Lea, 1866) — Graf & Cummings, 2007

= Pachynaias rugososulcata (Lea, 1866) — Haas, 1969

= Pachynaias rugososulcata (Lea) — Haas, 1929

= Elliptio (Pachynaias) rugososulcatus (Lea, 1866) — Frierson, 1927

= Quadrula (sec. Pachynaias) rugososulcata (Lea, 1866) — Simpson, 1914

= Quadrula (sec. Pachynaias) rugososulcata (Lea, 1866) — Simpson, 1900

+ — Martens, 1900

= Unio rugososulcatus Lea — B.H. Wright, 1888

= Margaron (Unio) rugososulcatus (Lea) — Lea, 1870