Assiminea vulgaris is a species of minute salt marsh snail with an operculum, an aquatic gastropod mollusk in the family Assimineidae.

The dental formula of the stenoglossan radula of Assiminea vulgaris is 1 + 1 + 1 + 1 + 1 + 1 + 1.

The central tooth has five cusps, and three denticles on each side, below.

The marginal teeth show 15 pectinate cusps.

This Assimineidae-related article is a stub.