Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Hemistena

species Hemistena lata (Rafinesque, 1820): synonymy

2 specimens + 1 GenBank voucher

Synonymy

image of type lot

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 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), Morrison (1966), Haas (1969), Burch (1975), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)

Unio dehiscens Say, 1829

(renamed Odatelia radiata Rafinesque, 1832)
Say, 1829. New Harm. Dissem. 2(20): 308, sp. 5.
Say, 1831. Amer. Conch. 1(3): pl. 24.
Say, 1858. [in] Binney, Compl. Writings T. Say: 131, 225.

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)

image of type lot

Unio oriens Lea, 1831

(renamed Odatelia radiata Rafinesque, 1832)
specimen image from publicationLea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 73, pl. 6, fig. 5.
HOLOTYPE USNM_86271, Cincinnati, (Ohio R.), Ohio.

Lastena lata — Simpson (1900), Simpson (1914), Ortmann & Walker (1922)
Hemistena lata — Frierson (1927), Haas (1969), Burch (1975), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Odatelia radiata Rafinesque, 1832

(new name for Unio dehiscens Say, 1829; new name for Unio oriens Lea, 1831)
Rafinesque, 1832. Atl. Jour. 1(4): 154.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 92.

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

(intro'd as intra-sp. of Unio dehiscens Say, 1829)
de Gregorio, 1914. Il Nat. Siciliano 2: 62, pl. 7, figs. 2a-b; pl. 10, figs. 4a-b.

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

(intro'd as syn of Odatelia radiata Rafinesque, 1832)
‘Green’ Rafinesque, 1832. Atl. Jour. 1(4): 154.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 92.

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)
Unio (Sayunio) dehiscens — de Gregorio (1914)
Unio (Sayunio) dehiscens var. oriensopsis — de Gregorio (1914)
Hemistena lata — Frierson (1927), Thiele (1934), Morrison (1966), Haas (1969), Burch (1975), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)