Pilsbry, H.A. 1904. Mexican land and freshwater mollusks. Proceedings of the Academy of Natural Sciences of Philadelphia 55: 761-789, pls. 53-54. Available electronically.
Pilsbry, 1904. Proc. Acad. Nat. Sci. 55: 786, pl. 53, figs. 1-1a, pl. 54, fig. 3.
Pilsbry, 1899. Proc. Acad. Nat. Sci. 51: 401.
Pilsbry, 1904. Proc. Acad. Nat. Sci. 55: 786, pl. 53, figs. 2-2a, pl. 54, fig. 4.
Pilsbry, 1904. Proc. Acad. Nat. Sci. 55: 787, pl. 53, figs. 5-5a, pl. 54, fig. 6.

Pilsbry, 1900. Nautilus 13: 140.
Pilsbry, 1904. Proc. Acad. Nat. Sci. 55: 788, pl. 54, figs. 1-1a.
Type(s): HOLOTYPE (ORIG. DESIG.) ANSP_58916, Laguna de Atasta, nr. S.J. Bautista, Tabasco, Mex.
+ Sphaerium luridum Martens, 1900
+ Sphaerium subtransversum Fischer & Crosse, 1894