Divarilima
Divarilima is a genus of marine bivalve molluscs in the family Limidae, the file shells or file clams.
Description
In the original description, Powell described the genus as below:Members of the genus are small, trigonally ovate, strongly inequilateral, and have sharp. backward-pointing umbones. The anterodorsal outline almost straight, extended, coinciding with
well-marked a umbonal ridge which borders a concave lunule.