Alvania lanciae
Alvania lanciae is a species of small sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Description
The length of the shell attains 3 mm.The shell is yellowish, orange brown or yellowish white. It is longitudinally distantly costate, spirally lirate, and forming nodules on the ribs. The base of the shell is without ribs, but spirally striate. The shell contains 5-6, very convex whorls. The suture is deep and channeled. The outer lip is externally thickened.