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Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


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Data last updated
Thu 18 Dec 2025

Publication F.C. Baker (1927): summary

Full 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)
Type species: Anodonta imbecillis Say, 1829 = Utterbackia imbecillis

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

image of type lot

Carunculina parva cahni F.C. Baker, 1927 = Toxolasma parvum

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.
(intro'd as intra-sp. of Unio parvus Barnes, 1823)
Type(s): HOLOTYPE (ORIG. DESIG.) INHS_82281, Neosha Mill Pond, Dodge Co., Wisconsin.

image of type lot

Utterbackia imbecillis fusca F.C. Baker, 1927 = Utterbackia imbecillis

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.
(intro'd as intra-sp. of Anodonta imbecillis Say, 1829)
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_209141, Sturgeon Bay, Wisc.

image of type lot

Lampsilis siliquoidea pepinensis F.C. Baker, 1927 = Lampsilis siliquoidea

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.
(intro'd as intra-sp. of Unio siliquoideus Barnes, 1823)
Type(s): LECTOTYPE UMMZ_209208, L. Pepin, Lake City, Minnesota.

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