ASSIMINEIDAE H. & A. Adams

Vermeulen, Jaap J., Liew, Thor-Seng & Schilthuizen, Menno, 2015, Additions to the knowledge of the land snails of Sabah (Malaysia, Borneo), including 48 new species, ZooKeys 531, pp. 1-139 : 2

Taxon classification Animalia Littorinimorpha Assimineidae

Family ASSIMINEIDAE H. & A. Adams

Short description.

Shell very small to medium-sized, dextral, globose, ellipsoid, ovoid or conical, rarely almost discoid. Last whorl without a pore near the suture; on the inside usually without a constriction, rarely with a constriction ( Anaglyphula ). Sculpture absent, or fine spiral and/or radial sculpture present, sometimes with more distinct ribs and tubercles. Aperture usually angular above; peristome not or slightly thickened. Umbilicus closed or open, usually narrow. Operculum corneous, sometimes calcareous, usually paucispiral with an excentrical nucleus (Family description adapted from Fukuda and Ponder 2003 and Miranda et al. 2014).

Habitat and distribution.

In marine and intertidal environments, in the tropics also terrestrial. Globally distributed in temperate and tropical regions.

Remarks.

We provide a review of the terrestrial Assimineidae native to Sabah.