Lea, I. 1843. Continuation of paper on new fresh water and land shells. Proceedings of the American Philosophical Society 2: 224-225. Available electronically.

Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 246 [84], pl. 26, fig. 61.
Lea, 1843. Proc. Amer. Phil. Soc. 2: 225.
Type(s): HOLOTYPE USNM_85691, Darien, Ga.

Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 248 [86], pl. 27, fig. 65.
Lea, 1843. Proc. Amer. Phil. Soc. 2: 225.
Type(s): LECTOTYPE USNM_86564 (by R.I. Johnson, 1972: 226), Charleston, S. Carolina.

Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 247 [85], pl. 27, fig. 64.
Lea, 1843. Proc. Amer. Phil. Soc. 2: 224.
Type(s): HOLOTYPE USNM_84439, Coosa R., Alabama.

Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 247 [85], pl. 27, fig. 63.
Lea, 1843. Proc. Amer. Phil. Soc. 2: 224.
Type(s): HOLOTYPE USNM_85306, Alexandria, La.