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Page last updated
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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Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Utterbackiana

species Utterbackiana suborbiculata (Say, 1831): synonymy
     2 specimens + 1 Genbank voucher

Anodonta suborbiculata Say, 1831
Say, 1831. New Harm. Dissem. 1(31): [no pagination].
Say, 1831. Amer. Conch. 2: pl. 11.
Say, 1858. [in] Binney, Compl. Writings T. Say: 161.
Type(s): TYPE LOCALITY TYPE_LOCALITY_MP_004, Ponds near the Wabash.

Anodonta suborbiculataSimpson (1900), Simpson (1914), Thiele (1934), Murray & Leonard (1962), R.I. Johnson (1969), ... McMurray et al. (2012), Williams et al. (2014), Pfeiffer et al. (2016), Smith et al. (2018), Marshall et al. (2018)
Unio (Anodonta) suborbiculataCall (1900)
de Gregorio (1914)
Lastena suborbiculataUtterback (1915)
Anodonta (Utterbackiana) suborbiculataFrierson (1927), Haas (1969)
Utterbackiana suborbiculataModell (1945), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025), FMCS (2025)
Anodonta (Nayadina) suborbiculataHaas (1969)
Anodonta (Utterbackia) suborbiculataR.I. Johnson (1980)
Utterbackia suborbiculataGraf & Cummings (2007), Cummings & Graf (2010)

Anodonta (Nayadina) venusta de Gregorio, 1914
de Gregorio, 1914. Il Nat. Siciliano 2: 65, pl. 12, figs. 2a-b.
Type(s): TYPE LOCALITY TYPE_LOCALITY_MP_005, Sciota R. (Ohio).

Anodonta (Nayadina) venustade Gregorio (1914)
Anodonta venustaThiele (1934)
Anodonta (Nayadina) suborbiculataHaas (1969)
Anodonta grandis grandisR.I. Johnson (1980)
Anodonta suborbiculataParmalee & Bogan (1998), Williams et al. (2008)
Pyganodon grandis grandisWatters et al. (2009)

Taxonomic History (since 1900)

Anodonta suborbiculataSimpson (1900), Simpson (1914), Thiele (1934), Murray & Leonard (1962), R.I. Johnson (1969), ... McMurray et al. (2012), Williams et al. (2014), Pfeiffer et al. (2016), Smith et al. (2018), Marshall et al. (2018)
Unio (Anodonta) suborbiculataCall (1900)
de Gregorio (1914)
Anodonta (Nayadina) venustade Gregorio (1914)
Lastena suborbiculataUtterback (1915)
Anodonta (Utterbackiana) suborbiculataFrierson (1927), Haas (1969)
Anodonta venustaThiele (1934)
Utterbackiana suborbiculataModell (1945), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025), FMCS (2025)
Anodonta (Nayadina) suborbiculataHaas (1969)
Anodonta (Utterbackia) suborbiculataR.I. Johnson (1980)
Anodonta grandis grandisR.I. Johnson (1980)
Utterbackia suborbiculataGraf & Cummings (2007), Cummings & Graf (2010)
Pyganodon grandis grandisWatters et al. (2009)

 
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