The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma triquetra

nominal species Unio triangularis Barnes, 1823

Barnes, 1823, Amer. J. Sci. 6 (1-2): 272, pl. 13, figs. 17a-b.
Say, 1830, Amer. Conch. 1: pl. 4.

= Epioblasma triquetra

Taxonomic Opinions

+ Epioblasma triquetra (Rafinesque, 1820) — Watters et al., 2009
+ Epioblasma triquetra (Rafinesque, 1820) — Williams et al., 2008
+ Epioblasma triquetra (Rafinesque, 1820) — Parmalee & Bogan, 1998
+ Epioblasma triquetra (Rafinesque) — Strayer & Jirka, 1997
+ Plagiola (Truncillopsis) triquetra (Rafinesque, 1820) — R.I. Johnson, 1978
+ Dysnomia triquetra (Rafinesque, 1820) — Burch, 1975
+ Dysnomia (Truncillopsis) triquetra (Rafinesque, 1820) — Haas, 1969
+ Dysnomia (Truncillopsis) triquetra (Rafinesque, 1820) — Frierson, 1927
+ Dysnomia (Truncillopsis) triquetra (Rafinesque) — Ortmann, 1924
+ Dysnomia (Truncillopsis) triquetra (Rafinesque, 1820) — Ortmann & Walker, 1922
+ Truncilla triquetra Rafinesque, 1820 — Ortmann, 1918
+ Truncilla (s.s.) triquetra Rafinesque, 1820 — Simpson, 1914
= Unio triangularis Barn. — de Gregorio, 1914
+ Truncilla (s.s.) triquetra Rafinesque — Simpson, 1900
= Unio (s.s.) triangularis Barnes, 1823 — Call, 1900
= Unio triangularis Barnes — Pilsbry & Rhoads, 1896
= Unio triangularis Bar. — B.H. Wright, 1888
= Unio (Limnium sec. Truncilla) triangularis Barnes — Fischer, 1887
= Unio triangularis Barnes — Lewis, 1871
= Margaron (Unio) triangularis (Bar.) — Lea, 1870
= Unio triangularis Barnes, 1823 — Sowerby, 1868
+ Unio triqueter Raf. — Conrad, 1853
+ Unio (Truncilla) triqueter (Raf.) — Mörch, 1853
+ Truncilla triquetra Raf. — Agassiz, 1852
= Margaron (Unio) triangularis (Bar.) — Lea, 1852
= Unio triangularis — Küster, 1852
= Unio triangularis Barnes — Hanley, 1843
= Margarita (Unio) triangularis Bar. Eat. Hild. Say — Lea, 1838
= Margarita (Unio) triangularis (Barnes, 1823) — Lea, 1836
+ Unio triqueter Raf. — Ferussac, 1835
= Unio triangularis — Jay, 1835
= Unio triangularis Barnes, 1823 — Ravenel, 1834
= Unio triangularis Bar. — Lea, 1829
= Unio triangularis — Hildreth, 1828
= Unio triangularis — Barnes, 1823

Page updated: 08:15:37 Tue 01 Jul 2025