Publication Turgeon et al. (1998): species taxonomic opinions

Turgeon, D.D., J.F. Quinn, A.E. Bogan, E.V. Coan, F.G. Hochberg et al. 1998. Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Mollusks. American Fisheries Society Special Publication (26) (2nd ed.). 526 pp. https://doi.org/10.47886/9781888569018.

Sphaerium corneum (Linnaeus, 1758)

Sphaerium fabale (Prime, 1852)

Sphaerium nitidum Westerlund, 1876

Sphaerium occidentale (J. Lewis, 1856)

Sphaerium patella (Gould, 1850)

Sphaerium rhomboideum (Say, 1822)

Sphaerium simile (Say, 1817)

Sphaerium striatinum (Lamarck, 1818)

Strophitus connasaugaensis (Lea, 1858) = Pseudodontoideus connasaugaensis

Strophitus subvexus (Conrad, 1834) = Pseudodontoideus subvexus

Strophitus undulatus (Say, 1817)

Toxolasma corvunculus (Lea, 1868)

Toxolasma cylindrellus (Lea, 1868)

Toxolasma lividus Rafinesque, 1831 = Toxolasma lividum

Toxolasma mearnsi (Simpson, 1900) = Toxolasma texasiense

Toxolasma parvus (Barnes, 1823) = Toxolasma parvum

Toxolasma paulus (Lea, 1840) = Toxolasma paulum

Toxolasma pullus (Conrad, 1838)

Toxolasma texasiensis (Lea, 1857) = Toxolasma texasiense

Tritogonia verrucosa (Rafinesque, 1820) = Quadrula verrucosa

Truncilla cognata (Lea, 1860)

Truncilla donaciformis (Lea, 1828)

Truncilla macrodon (Lea, 1859)

Truncilla truncata Rafinesque, 1820

Uniomerus carolinianus (Bosc, 1801)

+ Unio obesus Lea, 1831

Uniomerus declivis (Say, 1831)

+ Unio excultus Conrad, 1838

Uniomerus tetralasmus (Say, 1831)

Utterbackia imbecillis (Say, 1829)

Utterbackia peggyae (Johnson, R.I., 1965)

Utterbackia peninsularis Bogan & Hoeh, 1995

Venustaconcha ellipsiformis (Conrad, 1836)

Venustaconcha pleasii (Marsh, 1891)

Villosa amygdala (Lea, 1843) = Villosa amygdalum

Villosa arkansasensis (Lea, 1862) = Obovaria arkansasensis

Villosa choctawensis Athearn, 1964 = Obovaria choctawensis

Villosa constricta (Conrad, 1838) = Venustaconcha constricta

Villosa delumbis (Conrad, 1834)

Villosa fabalis (Lea, 1831) = Paetulunio fabalis

Villosa iris (Lea, 1829) = Cambarunio iris

Villosa lienosa (Conrad, 1834) = Leaunio lienosus

Villosa nebulosa (Conrad, 1834) = Cambarunio nebulosus

Villosa ortmanni (Walker, 1925) = Leaunio ortmanni

Villosa perpurpurea (Lea, 1861) = Venustaconcha trabalis

Villosa taeniata (Conrad, 1834) = Cambarunio taeniatus

Villosa trabalis (Conrad, 1834) = Venustaconcha trabalis

Villosa vanuxemensis umbrans (Lea, 1857) = Leaunio umbrans

Villosa vanuxemensis vanuxemensis (Lea, 1838) = Leaunio vanuxemensis

Villosa vaughaniana (Lea, 1838) = Sagittunio vaughanianus

Villosa vibex (Conrad, 1834)

Villosa villosa (Wright, B.H., 1898)