Lea, I. 1860. Descriptions of three new species of uniones from Mexico. Proceedings of the Academy of Natural Sciences of Philadelphia 12: 305-306. Available electronically.

Lea, 1860. Proc. Acad. Nat. Sci. 12: 306.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 368 [50], pl. 65, fig. 193.
Type(s): HOLOTYPE (MONOTYPY) USNM_85004, Rio Salado, N. Leon, Mexico.

Lea, 1860. Proc. Acad. Nat. Sci. 12: 305.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 371 [53], pl. 66, fig. 196.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_85728 (by R.I. Johnson, 1974: 38), Rio Salado, Mexico.
Lea, 1860. Proc. Acad. Nat. Sci. 12: 305.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 370, [52] pl. 65, fig. 195.
Type(s): TYPE LOCALITY TYPE_LOCALITY_MP_007, Rio Salado, New Leon, Mexico.