Assiminea savesi is a species of minute, salt-tolerant snail with an operculum, an aquatic gastropod molluscs, or micromolluscs, in the family Assimineidae.
The length of this species attains 1ý mm, its diameter 0.75 mm.
(Original description in Latin) The shell is imperforate, pupiform, thin, and corneous. The spire is oblong, with a somewhat blunt apex. The suture is impressed. It has four slightly rounded whorls, which are encircled by a brown, nearly inconspicuous band. The body whorl nearly equals the height of the spire and is obscurely encircled by two brown zones. The aperture is ovate-pyriform andof the same color as the shell. The external zones pass inconspicuously through the interior. The peristome (margin) is continuous, somewhat thickened, and corneous.
This species occurs in New Caledonia in brackish and fresh waters.