Pleurotoma /(?)/
Pleu·rot·o·ma
Pleurotoma
n.
pl. Pleurotomæ, Pleurotomas
- Any marine gastropod belonging to Pleurotoma, and ether allied genera of the family Pleurotmidæ. The species are very numerous, especially in tropical seas. The outer lip has usually a posterior notch or slit. (Zool.)