Ortmann, A.E. 1924. The naiad-fauna of Duck River in Tennessee. American Midland Naturalist 9(1): 18-62. Available electronically.
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
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
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

‘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.
‘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)
‘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 perdix Lea, 1834
+ Unio perplicatus Conrad, 1841
+ Unio undulatus Hanley, 1843
+ Unio deviatus Reeve, 1864
+ Truncilla curtisii Frierson & Utterback in Utterback, 1916
+ Unio propinquus Lea, 1857
+ Unio triangularis Barnes, 1823
+ Unio gibber Lea, 1838
+ Unio crudus Lea, 1871
+ Unio gracilis Barnes, 1823
+ Symphynota tenuissima Lea, 1829
+ Unio subglobatus Lea, 1871
+ Margaron (Unio) cumberlandianus Lea, 1852
+ Unio notatus Lea, 1838
+ Unio obscurus Lea, 1838
+ Unio simus Lea, 1838
+ Unio pictus Lea, 1834
+ Unio punctatus Lea, 1865
+ Unio nashvillianus Lea, 1834
+ Unio depygis Conrad, 1866
+ Unio securis Lea, 1829
+ Unio clinchensis Lea, 1867
+ Unio lesleyi Lea, 1860
+ Unio patulus Conrad, 1838
+ Unio clavus Call, 1885
+ Unio tuberosus Lea, 1840
+ Unio elegans Lea, 1831