Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Arcidens
1 specimen + 3 Genbank vouchers
Say, 1829. New Harm. Dissem. 2(22): 339, sp. 2.
Say, 1831. Amer. Conch. 3: pl. 21.
Say, 1858. [in] Binney, Compl. Writings T. Say: 131, 171, 195.
Arcidens confragosus — Simpson (1900), Ortmann (1912), F.C. Baker (1928), Thiele (1934), Murray & Leonard (1962), ... Graf & Cummings (2021), FMCS (2021), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025)
Unio (Margaritana) confragosa — Call (1900)
Arcidens confragosa — Simpson (1914), Utterback (1915), Frierson (1927), Haas (1969), Burch (1975), Parmalee & Bogan (1998), Inoue et al. (2014), FMCS (2025)
Arcidens (s.s.) confragosus — Clarke (1981), Graf & Cummings (2007)
A. confragosus — Marshall et al. (2018)
Strecker, 1931. Baylor Univ. Mus. Spec. Bull. 2: 13.
(intro'd as intra-sp. of Alasmodonta confragosa Say, 1829)
Arcidens confragosus — R.I. Johnson (1980), Williams et al. (2008), Watters et al. (2009)
Arcidens (s.s.) confragosus — Clarke (1981)
Arcidens confragosa — Parmalee & Bogan (1998)
Arcidens confragosus — Simpson (1900), Ortmann (1912), F.C. Baker (1928), Thiele (1934), Murray & Leonard (1962), ... Graf & Cummings (2021), FMCS (2021), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025)
Unio (Margaritana) confragosa — Call (1900)
Arcidens confragosa — Simpson (1914), Utterback (1915), Frierson (1927), Haas (1969), Burch (1975), Parmalee & Bogan (1998), Inoue et al. (2014), FMCS (2025)
Arcidens (s.s.) confragosus — Clarke (1981), Graf & Cummings (2007)
A. confragosus — Marshall et al. (2018)