Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Utterbackia imbecillis nominal species Anodon horda Gould, 1855
Gould, 1855, Proc. Boston Soc. Nat. Hist. 5: 229.
Type(s): HOLOTYPE USNM_678301, Comanche Creek, [trib. of Pecos R., Pecos Co.], Texas.
= Utterbackia imbecillis Taxonomic Opinions
+ Utterbackia imbecillis (Say, 1829) — Watters et al., 2009
+ Utterbackia imbecillis (Say, 1829) — Williams et al., 2008
+ Utterbackia imbecillis (Say, 1829) — Brim Box & Williams, 2000
= Anodonta horda Gould, 1855 — Contreras-Arquieta, 2000
+ Utterbackia imbecillis (Say, 1829) — Parmalee & Bogan, 1998
+ Anodonta imbecillis Say, 1829 — Howells et al., 1996
+ Anodonta imbecilis [sic] Say, 1829 — Burch, 1975
+ Anodonta (Utterbackia) imbecilis [sic] Say, 1829 — R.I. Johnson, 1970
+ Anodonta (Lastena) ohiensis Rafinesque, 1820 — Haas, 1969
= Anodonta (Lastena) ohiensis-horda Gould, 1855 — Frierson, 1927
+ Anodonta imbecillis Say, 1829 — Simpson, 1914
+ Anodonta imbecillis Say, 1829 — Simpson, 1900
+ Anodonta imbecillis Say, 1829 — Call, 1895
+ Margaron (Anodonta) imbecillis (Say) — Lea, 1870
= Anodon hordeum [sic] Gould, 1855 — Sowerby, 1867
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