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The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
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Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Hemistena species Hemistena lata (Rafinesque, 1820): synonymy
2 specimens + 1 Genbank voucher Anodonta (Lastena) lata Rafinesque, 1820
 Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 317, pl. 82, figs. 17-18 [also as ‘Lastena lata’].
Rafinesque, 1864. [in] Binney & Tryon, reprint: 59.
Type(s): TYPE ANSP_20227, Kentucky River.
Lastena lata — Simpson (1900), Ortmann (1912), Simpson (1914), Vanatta (1915), Walker (1918), Ortmann (1918), Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), Haas (1969), Stansbery (1970)
Hemistena lata — Frierson (1927), Thiele (1934), Haas (1969), Burch (1975), R.I. Johnson (1980), ... Klymus et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025) | |
Unio dehiscens Say, 1829
Say, 1829. New Harm. Dissem. 2(20): 308, sp. 5.
Say, 1831. Amer. Conch. 3: pl. 24.
Say, 1858. [in] Binney, Compl. Writings T. Say: 131, 225.
(renamed Odatelia radiata Rafinesque, 1832)
Lastena lata — Simpson (1900), Simpson (1914), Walker (1918), Ortmann (1918), Ortmann & Walker (1922)
Unio (Anodonta) dehiscens — Call (1900)
Unio (Sayunio) dehiscens — de Gregorio (1914)
Hemistena lata — Frierson (1927), Haas (1969), Burch (1975), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009) | |
Unio oriens Lea, 1831
  Lea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 73, pl. 6, fig. 5.
(renamed Odatelia radiata Rafinesque, 1832)
Type(s): HOLOTYPE USNM_86271, Cincinnati, (Ohio R.), Ohio.
Lastena lata — Simpson (1900), Simpson (1914), Ortmann & Walker (1922)
— de Gregorio (1914)
Hemistena lata — Frierson (1927), Haas (1969), Burch (1975), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009) | |
Odatelia radiata Rafinesque, 1832
Rafinesque, 1832. Atl. Jour. 1(4): 154.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 92.
(new name for Unio dehiscens Say, 1829; new name for Unio oriens Lea, 1831)
— Simpson (1900)
Lastena lata — Simpson (1914), Ortmann & Walker (1922)
Hemistena lata — Frierson (1927), Haas (1969), Burch (1975), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009), Campbell & Lydeard (2012) | |
Unio hildrethi Delessert, 1841
Delessert, 1841. Recueil Coquilles Lamarck: pl. 19, figs. 4a-b.
Lastena lata — Simpson (1900), Simpson (1914)
Hemistena lata — Frierson (1927), Haas (1969), Parmalee & Bogan (1998), Williams et al. (2008) | |
Unio (Sayunio) dehiscens var. oriensopsis de Gregorio, 1914
de Gregorio, 1914. Il Nat. Siciliano 2: 62, pl. 7, figs. 2a-b; pl. 10, figs. 4a-b.
(intro'd as intra-sp. of Unio dehiscens Say, 1829)
Unio (Sayunio) dehiscens var. oriensopsis — de Gregorio (1914)
Hemistena lata — Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009), Campbell & Lydeard (2012) | |
Anodonta prelonga Rafinesque, 1832
‘Green’ Rafinesque, 1832. Atl. Jour. 1(4): 154.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 92.
(intro'd as syn of Odatelia radiata Rafinesque, 1832)
Hemistena lata — Frierson (1927) | |
Taxonomic History (since 1900)Lastena lata — Simpson (1900), Ortmann (1912), Simpson (1914), Vanatta (1915), Walker (1918), Ortmann (1918), Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), Haas (1969), Stansbery (1970)
Unio (Anodonta) dehiscens — Call (1900)
— Simpson (1900), de Gregorio (1914)
Unio (Sayunio) dehiscens — de Gregorio (1914)
Unio (Sayunio) dehiscens var. oriensopsis — de Gregorio (1914)
Hemistena lata — Frierson (1927), Thiele (1934), Haas (1969), Burch (1975), R.I. Johnson (1980), ... Klymus et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
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