- among a household of freshwater pectinibranchiate mollusks with a turret-shaped shell.
- One of a family of fresh-water pectinibranchiate mollusks, having a turret-shaped shell.
- A member of the family Melaniidæ.
- with respect to the Melaniidæ, or having their particular figures.
- In anthropology, used as the equivalent of Negrito and also of Negroid.