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Wed 1 October 2025

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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Publication F.C. Baker (1927): summary
     publication summary

Complete Citation

Baker, F.C. 1927. On the division of the Sphaeriidae into two subfamilies: and the description of a new genus of Unionidae, with descriptions of new varieties. American Midland Naturalist 10(7): 220-223. Available electronically.

Attributed Nominal Genera

Utterbachia F.C. Baker, 1927
F.C. Baker, 1927. Amer. Midl. Nat. 10(7): 221.
(incorrect original spelling of Utterbackia F.C. Baker, 1927)

Utterbackia F.C. Baker, 1927
F.C. Baker, 1927. Amer. Midl. Nat. 10(7): 221.
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 170.
(correct name for Utterbachia F.C. Baker, 1927)
Type species: Anodonta imbecillis Say, 1829 (orig. desig.) = Utterbackia imbecillis

Attributed Nominal Species

Carunculina parva cahni F.C. Baker, 1927
F.C. Baker, 1927. Amer. Midl. Nat. 10(7): 222.
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 253, pl. 105, figs. 14-18.
Type(s): HOLOTYPE (ORIG. DESIG.) INHS_82281, Neosha Mill Pond, Dodge Co., Wisconsin.

Lampsilis siliquoidea pepinensis F.C. Baker, 1927
F.C. Baker, 1927. Amer. Midl. Nat. 10(7): 223.
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 275, pl. 90, figs. 2-5.
Type(s): LECTOTYPE UMMZ_209208, L. Pepin, Lake City, Minnesota.

Utterbackia imbecillis fusca F.C. Baker, 1927
F.C. Baker, 1927. Amer. Midl. Nat. 10(7): 222.
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 175, pl. 103, figs. 12-14.
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_209141, Sturgeon Bay, Wisc.

Taxonomic Opinions

Carunculina parvus cahni Nov. Var. = Toxolasma parvum

Lampsilis siliquoidea pepinensis Nov. Var. = Lampsilis siliquoidea

Utterbackia henryana (Lea) = Utterbackia imbecillis

Utterbackia imbecillis

Utterbackia imbecillis fusca Var. Nov. = Utterbackia imbecillis

 
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