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 | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Utterbackia imbecillis
nominal species Anodonta incerta Lea, 1834
Anodonta incerta Lea, 1834 = Utterbackia imbecillis
Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 46, pl. 6, fig. 16.
Taxonomic Opinions
+ Utterbackia imbecillis (Say, 1829) — Watters et al., 2009: 321.
+ Utterbackia imbecillis (Say, 1829) — Williams et al., 2008: 751.
+ Utterbackia imbecillis (Say, 1829) — Brim Box & Williams, 2000: 76.
+ Utterbackia imbecillis (Say, 1829) — Parmalee & Bogan, 1998: 242.
+ Anodonta imbecilis [sic] Say, 1829 — Burch, 1975: 165.
+ Anodonta (Utterbackia) imbecilis [sic] Say, 1829 — R.I. Johnson, 1970: 363.
+ Anodonta (Lastena) ohiensis Rafinesque, 1820 — Haas, 1969: 361.
+ Anodonta (Lastena) ohiensis Rafinesque, 1820 — Frierson, 1927: 17.
+ Anodonta imbecillis Say, 1829 — Simpson, 1914: 396.
= Anodonta incerta Lea — de Gregorio, 1914: 63.
+ Anodonta imbecillis Say, 1829 — Simpson, 1900: 635.
+ Anodonta imbecillis Say, 1829 — Call, 1895: 63.
+ Margaron (Anodonta) imbecillis (Say) — Lea, 1870: 80.
= Anodon incertus (Lea, 1834) — Sowerby, 1867: pl. 17, sp. 59.
+ Anodonta imbecilis [sic] Say, 1829 — Conrad, 1853: 264.
+ Margaron (Anodonta) imbecillis (Say) — Lea, 1852: 50.
= Anodonta incerta Lea — Hanley, 1843: 218.
= Margarita (Anodonta) incerta Lea — Lea, 1838: 30.
= Margarita (Anodonta) incerta (Lea, 1834) — Lea, 1836: 51.
= Anodonta incerta Nob., Lea — Ferussac, 1835: 25.
