Alasminota Ortmann, 1914
Ortmann, 1914, Nautilus 28(4): 41.
Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 33.
Ortmann, 1923, Nautilus 36(3): 83.
Ortmann, 1924, Amer. Midl. Nat. 9(1): 22.
(intro'd as sub-gen. of Symphynota Lea, 1829)
Type species: Margaritana holstonia Lea, 1838 (orig. desig.) = Alasminota holstonia

Conradilla Ortmann, 1921
Ortmann, 1921, Nautilus 34: 90.
Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 56.
Ortmann, 1924, Amer. Midl. Nat. 9(1): 30.
Type species: Unio caelatus Conrad, 1834 (original designation) = Lemiox rimosus

Scalenilla Ortmann & Walker, 1922
Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 68.
Ortmann, 1924, Amer. Midl. Nat. 9(1): 43.
(intro'd as sub-gen. of Dysnomia Agassiz, 1852)
Type species: Unio sulcatus Lea, 1829 (orig. desig.) = Epioblasma obliquata

Lampsilis nashvillensis Agassiz, 1852
‘Lea’ of Authors.
Agassiz, 1852, Arch. Naturg. 18(1): 44.
Lea, 1870, Synopsis Fam. Naiades: 45.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [4].
Ortmann, 1924, Amer. Midl. Nat. 9(1): 32.
(error for Unio nashvillianus Lea, 1834)

Unio catilus B.H. Wright, 1888
‘Conrad’ of Authors.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [2].
Ortmann, 1924, Amer. Midl. Nat. 9(1): 38.
(error for Unio catillus Conrad, 1836)

Fusconaia cor var. analoga Ortmann, 1918
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 15, sp. 65 [as ‘Unio edgarianus’].
Ortmann, 1918, Proc. Amer. Phil. Soc. 57(6): 533.
Ortmann, 1924, Amer. Midl. Nat. 9(1): 43.
(intro'd as intra-sp. of Unio cor Conrad, 1834)
Type(s): LECTOTYPE CM_61.6326, Clinch River, Speer’s Ferry, Scott Co., Virginia.

Actinonaias carinata (Barnes)

Actinonaias carinata var. gibba (Simpson)

Actinonaias pectorosa (Conrad)
+ Unio perdix Lea, 1834

Alasmidonta (Decurambis) marginata (Say)

Alasmidonta (Decurambis) raveneliana (Lea)

Alasmidonta (Pressodonta) minor (Lea)

Amblema costata Rafinesque
+ Unio perplicatus Conrad, 1841
+ Unio undulatus Hanley, 1843

Anodonta grandis Say

Carunculina cylindrella (Lea)

Carunculina glans

Carunculina moesta (Lea)

Conradilla caelata (Conrad)

Cumberlandia monodonta (Say)

Cyclonaias tuberculata (Rafinesque)

Cyprogenia irrorata (Lea)

Dromus dromas (Lea)

Dromus dromas caperatus (Lea)

Dysnomia (Pilea) biemarginata (Lea)

Dysnomia (Pilea) capsaeformis (Lea)

Dysnomia (Pilea) florentina (Lea)

Dysnomia (Pilea) florentina walkeri (Wilson & Clark)

Dysnomia (Pilea) torulosa gubernaculum (Reeve)

Dysnomia (Pilea) turgidula (Lea)
+ Unio deviatus Reeve, 1864
+ Truncilla curtisii Utterback, 1916

Dysnomia (Scalenilla) haysiana (Lea)

Dysnomia (Truncillopsis) arcaeformis (Lea)

Dysnomia (Truncillopsis) brevidens (Lea)

Dysnomia (Truncillopsis) lenior (Lea)

Dysnomia (Truncillopsis) triquetra (Rafinesque)
+ Unio triangularis Barnes, 1823

Dysnomia (s.s.) lewisi (Walker)

Dysnomia (s.s.) stewardsoni (Lea)

Dysnomia (s.s.) sulcata (Lea)

Dysnomia (s.s.) torulosa (Rafinesque)
+ Unio propinquus Lea, 1857

Elliptio crassidens (Lamarck)
+ Unio gibber Lea, 1838

Elliptio dilatatus (Rafinesque)

Fusconaia barnesiana (Lea)
+ Unio lyonii Lea, 1865
+ Unio validus Lea, 1871

Fusconaia barnesiana bigbyensis (Lea)

Fusconaia barnesiana tumescens
+ Unio crudus Lea, 1871

Fusconaia cuneolus (Lea)

Fusconaia cuneolus appressa (Lea)

Fusconaia edgariana (Lea)

Fusconaia edgariana analoga (Ortmann)

Fusconaia flava (Rafinesque)

Fusconaia subrotunda (Lea)

Lampsilis anodontoides (Lea)

Lampsilis fasciola (Rafinesque)
+ Unio multiradiatus Lea, 1829
+ Unio perradiatus Lea, 1858

Lampsilis orbiculata (Hildreth)

Lampsilis ovata (Say)

Lampsilis ovata ventricosa (Barnes)

Lampsilis virescens (Lea)

Lasmigona (Alasminota) holstonia (Lea)

Lasmigona (Pterosyna) complanata (Barnes)

Lasmigona (s.s.) costata (Rafinesque)

Lastena lata (Rafinesque)

Leptodea fragilis (Rafinesque)
+ Unio gracilis Barnes, 1823

Leptodea leptodon (Rafinesque)
+ Symphynota tenuissima Lea, 1829

Lexingtonia dolabelloides (Lea)
+ Unio subglobatus Lea, 1871

Lexingtonia dolabelloides conradi (Vanatta)

Ligumia recta latissima (Rafinesque)

Medionidus conradicus (Lea)

Megalonaias gigantea (Barnes)

Micromya fabalis (Lea)

Micromya iris

Micromya nebulosa (Conrad)
+ Unio notatus Lea, 1838
+ Unio obscurus Lea, 1838
+ Unio simus Lea, 1838
+ Margaron (Unio) cumberlandianus Lea, 1852

Micromya perpurpurea (Lea)

Micromya taeniata (Conrad)
+ Unio pictus Lea, 1834
+ Unio punctatus Lea, 1865

Micromya trabalis (Conrad)

Micromya vanuxemensis (Lea)
+ Unio nashvillianus Lea, 1834

Obliquaria reflexa Rafinesque

Obovaria (s.s.) olivaria (Rafinesque)

Obovaria (s.s.) retusa (Lamarck)

Obovaria (s.s.) subrotunda (Rafinesque)

Obovaria (s.s.) subrotunda lens (Lea)
+ Unio depygis Conrad, 1866

Pegias fabula (Lea)

Plagiola lineolata (Rafinesque)
+ Unio securis Lea, 1829

Plethobasus cooperianus (Green) [sic]

Plethobasus cyphyus (Rafinesque)

Plethobasus cyphyus compertus (Frierson)

Pleurobema cordatum (Rafinesque)

Pleurobema cordatum catillus (Conrad)

Pleurobema cordatum pyramidatum (Lea)

Pleurobema oviforme (Conrad)
+ Unio patulus Conrad, 1838
+ Unio lesleyi Lea, 1860
+ Unio clinchensis Lea, 1867
+ Unio clavus Call, 1885

Pleurobema oviforme argenteum (Lea)

Pleurobema oviforme holstonense (Lea)

Proptera alata (Say)

Ptychobranchus fasciolare (Rafinesque)

Ptychobranchus subtentum (Say)

Quadrula cylindrica (Say)

Quadrula cylindrica strigillata (Wright)

Quadrula fragosa (Conrad)

Quadrula intermedia (Conrad)
+ Unio tuberosus Lea, 1840

Quadrula metanevra (Rafinesque)

Quadrula pustulosa (Lea)

Quadrula quadrula (Rafinesque)

Quadrula verrucosa (Rafinesque)

Strophitus rugosus (Swainson)

Truncilla donaciformis (Lea)

Truncilla truncata (Rafinesque)
+ Unio elegans Lea, 1831