Publication Pilsbry (1904): summary

Full Citation

Pilsbry, H.A. 1904. Notice of six new species of Unios from the Laramie Group by R.P. Whitfield. Nautilus 18: 12. https://www.biodiversitylibrary.org/page/1817046.

Attributed Nominal Species

Parreysia barnumi Pilsbry, 1904 = Proparreysia barnumi

(new name for Unio browni Whitfield, 1903)
Pilsbry, 1904. Nautilus 18: 12.