| Page last updatedWed 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): synonymy2 specimens + 1 Genbank voucher
 | Anodonta suborbiculata Say, 1831Say, 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 suborbiculata — Simpson (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) suborbiculata — Call (1900)
 — de Gregorio (1914)
 Lastena suborbiculata — Utterback (1915)
 Anodonta (Utterbackiana) suborbiculata — Frierson (1927), Haas (1969)
 Utterbackiana suborbiculata — Modell (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) suborbiculata — Haas (1969)
 Anodonta (Utterbackia) suborbiculata — R.I. Johnson (1980)
 Utterbackia suborbiculata — Graf & Cummings (2007), Cummings & Graf (2010)
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 | Anodonta (Nayadina) venusta de Gregorio, 1914de 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) venusta — de Gregorio (1914)
 Anodonta venusta — Thiele (1934)
 Anodonta (Nayadina) suborbiculata — Haas (1969)
 Anodonta grandis grandis — R.I. Johnson (1980)
 Anodonta suborbiculata — Parmalee & Bogan (1998), Williams et al. (2008)
 Pyganodon grandis grandis — Watters et al. (2009)
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 Taxonomic History (since 1900)Anodonta suborbiculata — Simpson (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) suborbiculata — Call (1900)
 — de Gregorio (1914)
 Anodonta (Nayadina) venusta — de Gregorio (1914)
 Lastena suborbiculata — Utterback (1915)
 Anodonta (Utterbackiana) suborbiculata — Frierson (1927), Haas (1969)
 Anodonta venusta — Thiele (1934)
 Utterbackiana suborbiculata — Modell (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) suborbiculata — Haas (1969)
 Anodonta (Utterbackia) suborbiculata — R.I. Johnson (1980)
 Anodonta grandis grandis — R.I. Johnson (1980)
 Utterbackia suborbiculata — Graf & Cummings (2007), Cummings & Graf (2010)
 Pyganodon grandis grandis — Watters et al. (2009)
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