Procalpurnus lacteus is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.
References
- Lorenz F. & Fehse D. (2009) The living Ovulidae. A manual of the families of allied cowries: Ovulidae, Pediculariidae and Eocypraeidae. Hackenheim: Conchbooks.