Paetulunio Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 13.
Type species: Unio fabalis Lea, 1831 (orig. desig.) = Paetulunio fabalis

Cambarunio Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 14.
Type species: Unio iris Lea, 1829 (orig. desig.) = Cambarunio iris

Leaunio Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 33.
Type species: Unio lienosus Conrad, 1834 (orig. desig.) = Leaunio lienosus

Sagittunio Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 54.
Type species: Unio nasutus Say, 1817 (orig. desig.) = Sagittunio nasutus

Unio camelopardalis Sowerby, 1866
‘Lea’ of Authors.
Sowerby, 1866, Conch. Icon. 16: pl. 42, sp. 233, fig. 233a.
Haas, 1969, Das Tierreich 88: 450.
Watters, 2018, Visaya, Suppl. (10): 29.
(error for Unio camelopardilis Lea, 1860)

Margaron (Unio) previostianus Watters, 2018
‘Lea’ Watters, 2018, Visaya, Suppl. (10): 10.
(error for Unio prevostianus Lea, 1852)

Cambarunio dactylus anatinensis Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 17, pl. 7.

Cambarunio dactylus viridensis Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 18, pl. 8.

Cambarunio hesperus Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 19, pl. 9.
Type(s): HOLOTYPE (ORIG. DESIG.) AND PARATYPES OSUM_36104, James River, above railroad crossing at SE edge of Galena. Stone Co., Missouri. USA. 36.79839° N, -93.46265° W.

Leaunio lienosus aquilonius Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 37, pl. 19.

Leaunio lienosus ouachitaensis Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 40, pl. 21.

Leaunio pataecus Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 43, pl. 24.

Sagittunio aldermani Watters, 2018
Watters, 2018, Visaya, Suppl. (10): 55, pl. 32.

Cambarunio dactylus anatinensis n. ssp.

Cambarunio dactylus dactylus (Lea, 1840)
+ Unio muhlfeldianus Lea, 1838

Cambarunio dactylus viridensis n. ssp.

Cambarunio hesperus n. sp.

Cambarunio iris (Lea, 1829)
+ Unio creperus Lea, 1838
+ Unio glaber Lea, 1838
+ Unio novieboraci Lea, 1838
+ Unio amoenus Lea, 1840
+ Unio tener Lea, 1840
+ Unio fatuus Lea, 1840
+ Unio regularis Lea, 1841
+ Unio puniceus Haldeman, 1842
+ Unio scitulus Lea, 1860
+ Unio perpictus Lea, 1860
+ Unio opalinus J.G. Anthony, 1866
+ Lampsilis (Ligumia) nervosa Frierson, 1927

Cambarunio jonesii (Lea, 1859)
+ Unio sparus Lea, 1868

Cambarunio nebulosus (Conrad, 1834)
+ Unio radians Lea, 1857
+ Unio planicostatus Lea, 1860
+ Unio discrepans Lea, 1860
+ Unio plancus Lea, 1860
+ Unio difficilis Lea, 1868

Cambarunio simus (Lea, 1836)
+ Unio cumberlandicus Lea, 1838
+ Unio notatus Lea, 1838

Cambarunio taeniatus pictus (Lea, 1834)
+ Unio interruptus Lea, 1838
+ Unio pulcher Lea, 1838
+ Unio menkianus Lea, 1838
+ Unio latiradiatus Conrad, 1838
+ Unio tennesseensis Lea, 1840

Cambarunio taeniatus punctatus (Lea, 1865)

Cambarunio taeniatus taeniatus (Conrad, 1834)
+ Unio camelopardilis Lea, 1860
+ Unio fucatus Lea, 1860
+ Unio lindsleyi Lea, 1860

Leaunio lienosus aquilonius n. ssp.

Leaunio lienosus caliginosus (Lea, 1845)
+ Unio nigerrimus Lea, 1852
+ Unio fontanus Conrad, 1866

Leaunio lienosus lienosus (Conrad, 1834)
+ Unio saxeus Conrad, 1838
+ Unio gouldii Lea, 1845
+ Unio proximus Lea, 1852
+ Unio subellipsis Lea, 1856
+ Unio concestator Lea, 1857
+ Unio apicinus Lea, 1857
+ Unio fallax Lea, 1857
+ Unio intercedens Lea, 1857
+ Unio obfuscus Lea, 1857
+ Unio prattii Lea, 1858
+ Unio dispar Lea, 1860
+ Unio linguaeformis Lea, 1860
+ Unio contiguus Lea, 1861
+ Unio fuligo Reeve, 1865
+ Unio bicaelatus Reeve, 1865

Leaunio lienosus ouachitaensis n. ssp.

Leaunio lienosus unicostatus (Wright, 1899)

Leaunio ortmanni (Walker, 1925)

Leaunio pataecus n. sp.

Leaunio umbrans (Lea, 1857)
+ Unio umbrosus Lea, 1857
+ Unio tenebricus Lea, 1857
+ Unio fabaceus Lea, 1861
+ Unio porphyreus Lea, 1861
+ Unio proprius Lea, 1865

Leaunio vanuxemensis (Lea, 1838)
+ Unio zeiglerianus Lea, 1838
+ Unio obscurus Lea, 1838
+ Unio nitens Lea, 1840
+ Unio pybasii Lea, 1858
+ Unio copei Lea, 1868
+ Margaron (Unio) vanuxemii Lea, 1870
+ Unio dispansus Lea, 1871

Obovaria arkansasensis (Lea, 1862)

Obovaria choctawensis (Athearn, 1964)

Obovaria haddletoni (Athearn, 1964)

Obovaria jacksoniana (Frierson, 1912)

Obovaria olivaria (Rafinesque, 1820)

Obovaria retusa (Lamarck, 1819)

Obovaria subrotunda (Rafinesque, 1820)

Obovaria unicolor (Lea, 1845)

Paetulunio fabalis (Lea, 1831)
+ Unio capillus Say, 1831
+ Unio lapillus Say, 1831
+ Unio donacopsis de Gregorio, 1914

Sagittunio aldermani n. sp.

Sagittunio nasutus (Say, 1817)
+ Obliquaria (Ellipsaria) attenuata Rafinesque, 1820
+ Unio rostrata Valenciennes, 1827
+ Unio vaughanianus Sowerby, 1868

Sagittunio subrostratus (Say, 1831)
+ Unio nashvillianus Lea, 1834
+ Unio mississippiensis Conrad, 1850
+ Lampsilis nashvillensis Agassiz, 1852
+ Unio rutersvillensis Lea, 1859
+ Unio cocoduensis Reeve, 1865
+ Unio topekaensis Lea, 1868
+ Lampsilis (Eurynia) subrostrata var. furva Simpson, 1914

Sagittunio vaughanianus (Lea, 1834)

Venustaconcha constricta (Conrad, 1838)
+ Unio genthii Lea, 1857

Venustaconcha ellipsiformis ellipsiformis (Conrad, 1836)
+ Unio venustus Lea, 1838

Venustaconcha ellipsiformis pleasii (Marsh, 1891)

Venustaconcha trabalis (Conrad, 1834)
+ Unio perpurpureus Lea, 1861

Venustaconcha troostensis (Lea, 1834)
+ Unio troostii Lea, 1870

Villosa amygdala (Lea, 1843)
+ Unio trosculus Lea, 1843
+ Unio papyraceus Gould, 1845
+ Unio lepidus Gould, 1856
+ Unio vesicularis Lea, 1872
+ Unio singleyanus Marsh, 1891

Villosa delumbis (Conrad, 1834)
+ Margarita (Unio) tenerus Lea, 1836
+ Unio ogeecheensis Conrad, 1849
+ Unio concavus Lea, 1852
+ Unio genuinus Lea, 1868
+ Unio tenerus Simpson, 1892

Villosa vibex (Conrad, 1834)
+ Unio modioliformis Lea, 1834
+ Unio exiguus Lea, 1840
+ Unio pellucidus Lea, 1845
+ Unio stagnalis Conrad, 1849
+ Unio prevostianus Lea, 1852
+ Unio nigrinus Lea, 1852
+ Unio gracilior Lea, 1856
+ Unio rutilans Lea, 1856
+ Unio sudus Lea, 1857
+ Unio averellii B.H. Wright, 1888
+ Unio averillii Simpson, 1900

Villosa villosa (Wright, 1898)