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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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Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Utterbackiana species Utterbackiana implicata (Say, 1829): synonymy
3 specimens Mytilus fucatus Dillwyn, 1817
‘S’ Lightfoot, 1786. Catalogue of the Portland Museum: 29, no. 672. [nomen nudum]
‘Solander’s MSS.’ Dillwyn, 1817. Descr. Cat. Rec. Shells 1: 317.
Anodonta cygnea — Simpson (1900), Simpson (1914)
Anodonta implicata — R.I. Johnson (1980) | |
Anodonta implicata Say, 1829
 Say, 1829. New Harm. Dissem. 2(22): 340, sp. 1.
Say, 1858. [in] Binney, Compl. Writings T. Say: 138.
Type(s): NEOTYPE MCZ_176769 (by R.I. Johnson, 1946: 112), Agawam River, (outlet of Halfway Pond), Plymouth, Mass.
Anodonta implicata — Simpson (1900), Ortmann (1909), Simpson (1914), Burch (1975), R.I. Johnson (1980), ... IUCN (2011), ITIS (2012), Haag (2012), Whelan et al. (2023), Perkins et al. (2025)
Anodonta (Pyganodon) implicata — Frierson (1927), Haas (1969), R.I. Johnson (1970), Kat (1983)
Pyganodon implicata — Modell (1945), Graf & Cummings (2007), Cummings & Graf (2010), Jones (2015)
Anodonta implicate [sic] — Soliman et al. (2016)
Utterbackiana implicata — Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026) | |
Anodonta newtonensis Lea, 1838
 Lea, 1836. Synopsis Fam. Naiades: addenda. [nomen nudum]
 Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 79 [as ‘newtoniensis’], pl. 21, fig. 66.
Type(s): LECTOTYPE USNM_86561 (by R.I. Johnson, 1946: 112), Schuylkill, near Phila. Pa.
Anodonta implicata — Simpson (1900), Simpson (1914)
Anodonta (Pyganodon) implicata — Frierson (1927), Haas (1969), R.I. Johnson (1970)
Anodonta cataracta — Burch (1975) | |
Anodonta housatonica Gould, 1848
 Linsley, 1845. Amer. J. Sci. 48(2): 277. [nomen nudum]
Gould, 1848. Amer. J. Sci. 56(17): 234, figs. 4-5.
Type(s): HOLOTYPE USNM_678302, Housatonica R., Fairfield Co., Connecticut.
Anodonta implicata — Simpson (1900), Simpson (1914)
Anodonta (Pyganodon) implicata — Frierson (1927), Haas (1969), R.I. Johnson (1970)
Anodonta cataracta — Burch (1975) | |
Anodonta fucata Férussac, 1822
Férussac, 1822. Art. Anod., in Dict. class. d’hist. nat. 1: 397.
(reference to Mytilus fucatus Dillwyn, 1817) | |
Anodonta newtoniensis Lea, 1838
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 79.
(incorrect original spelling of Anodonta newtonensis Lea, 1838)
Anodonta implicata — Simpson (1900), Simpson (1914) | |
Anodonta fuscata Westerlund, 1890
‘Fer.’ Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 296.
(error for Anodonta fucata Férussac, 1822) | |
Anodonta implicate Soliman et al., 2016
Soliman et al., 2016. Egypt. J. Zool. 66: 122.
(error for Anodonta implicata Say, 1829) | |
Taxonomic History (since 1900)Anodonta cygnea — Simpson (1900), Simpson (1914)
Anodonta implicata — Simpson (1900), Ortmann (1909), Simpson (1914), Burch (1975), R.I. Johnson (1980), ... IUCN (2011), ITIS (2012), Haag (2012), Whelan et al. (2023), Perkins et al. (2025)
Anodonta (Pyganodon) implicata — Frierson (1927), Haas (1969), R.I. Johnson (1970), Kat (1983)
Pyganodon implicata — Modell (1945), Graf & Cummings (2007), Cummings & Graf (2010), Jones (2015)
Anodonta cataracta — Burch (1975)
Anodonta implicate [sic] — Soliman et al. (2016)
Utterbackiana implicata — Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)
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