MUSSELp

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Thu 18 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Quadrulini | Uniomerus declivis

nominal species Unio geometricus Lea, 1834

image of type lot

Unio geometricus Lea, 1834 = Uniomerus declivis

specimen image from publicationLea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 38 [150], pl. 4, fig. 10.
Type(s): HOLOTYPE USNM_85712, Bayou Teche, Louisiana.

= Uniomerus declivis

Taxonomic Opinions

+ Uniomerus tetralasmus (Say, 1830) — Williams et al., 2008

+ Uniomerus declivis (Say, 1832) — Parmalee & Bogan, 1998

+ Uniomerus tetralasmus (Say, 1830) — Burch, 1975

+ Uniomerus tetralasmus (Say, 1831) — R.I. Johnson, 1972

+ Uniomerus tetralasmus (Say, 1831) — R.I. Johnson, 1970

+ Uniomerus tetralasmus (Say, 1831) — Haas, 1969

+ Elliptio (Uniomerus) declivis (Say, 1831) — Frierson, 1927

+ Uniomerus tetralasmus comptodon [sic] (Say) — Utterback, 1915

+ Unio (sec. Uniomerus) tetralasmus var. camptodon Say, 1832 — Simpson, 1914

+ Unio declivis Say — de Gregorio, 1914

+ Unio (sec. Uniomerus) tetralasmus var. camptodon Say, 1832 — Simpson, 1900

+ Unio (s.s.) tetralasmus Say, 1831 — Call, 1900

+ Unio tetralasmus Say, 1830 — Call, 1895

+ Margaron (Unio) declivis (Say) — Lea, 1870

+ Unio declivis Say, 1831 — Conrad, 1853

+ Margaron (Unio) declivis (Say) — Lea, 1852

+ Unio declivis Say — Küster, 1852

+ Unio declivis Say — Hanley, 1843

+ Margarita (Unio) declivis Say — Lea, 1838

+ Unio declivis Say, 1831 — Conrad, 1836

+ Margarita (Unio) declivis (Say, 1831) — Lea, 1836

+ Unio declivis Say — Ferussac, 1835

 
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