Lea, I. 1859. Descriptions of four new species of exotic Unionidæ. Proceedings of the Academy of Natural Sciences of Philadelphia 11: 187. Available electronically.
Lea, 1852. Synopsis Fam. Naiades: 45 [as ‘Monocondylœa’].
Lea, 1859. Proc. Acad. Nat. Sci. 11: 187 [as ‘Monocondylœa’].
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 235 [53] [as ‘Monocondylœa’].
Lea, 1870. Synopsis Fam. Naiades: 73 [as ‘Monocondylœa’].
(error for Monocondylaea d’Orbigny, 1835)
Type species: Unio (Monocondylaea) paraguayana d’Orbigny, 1835 = Monocondylaea paraguayana

Lea, 1859. Proc. Acad. Nat. Sci. 11: 187.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 264 [82], pl. 42, fig. 144.
Type(s): HOLOTYPE USNM_85776, Rio de la Plata, S.A.

Lea, 1859. Proc. Acad. Nat. Sci. 11: 187 [as ‘Monocondylœa planulata’].
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 262, pl. 42, fig. 142.
Type(s): HOLOTYPE USNM_86351, Java5989.

Lea, 1859. Proc. Acad. Nat. Sci. 11: 187 [as ‘Monocondylœa rhomboidea’].
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 263 [81], pl. 42, fig. 143.
Type(s): SYNTYPES USNM_86329, Tigris R., near Bagdad, Asia.

Lea, 1859. Proc. Acad. Nat. Sci. 11: 187.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 266, pl. 43, fig. 146.
Type(s): HOLOTYPE USNM_85337, Rio de la Plata, S. Am.