Publication Pilsbry (1899): summary

Full Citation

Pilsbry, H.A. 1899. Descriptions of new species of Mexican land and fresh-water mollusks. Proceedings of the Academy of Natural Sciences of Philadelphia 51: 391-402. Available electronically.

Attributed Nominal Species

Sphaerium martensi Pilsbry, 1899 = Sphaerium martensi

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.