MUSSELp

MUSSELpdb

Introduction

Browse

d'basing

Search the MUSSELpdb

Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini

genus Hemistena Rafinesque, 1820: synonymy

1 Recent freshwater species (1 total species)

Synonymy

Hemistena Rafinesque, 1820

Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 317.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 60.
(intro'd as sub-gen. of Anodonta Lamarck, 1799)
Type species: Anodonta (Lastena) lata Rafinesque, 1820 (monotypy) = Hemistena lata

Odatelia Rafinesque, 1832

Rafinesque, 1832. Atl. Jour. 1(4): 154.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 92.
Type species: Odatelia radiata Rafinesque, 1832 (monotypy) = Hemistena lata

Sayunio de Gregorio, 1914

de Gregorio, 1914. Il Nat. Siciliano 2: 62.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio dehiscens Say, 1829 (herein) = Hemistena lata

Hemilastena Agassiz, 1852

‘Rafinesque’ Agassiz, 1852. Arch. Naturg. 18(1): 50.
(error for Hemistena Rafinesque, 1820)
Type species: Anodonta (Lastena) lata Rafinesque, 1820 = Hemistena lata

Hemilastina Frierson, 1914

Frierson, 1914. Nautilus 28: 40.
(error for Hemistena Rafinesque, 1820)
Type species: Anodonta (Lastena) lata Rafinesque, 1820 = Hemistena lata

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Hemistena, since 1900.

Lastena — 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) — Call (1900)
Unio (Sayunio) — de Gregorio (1914)
Hemistena — 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)

 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."