Microcystina arabii

Microcystina arabiiFine spiral grooves and radial riblets cross to form a cancellated shell sculpture. The aperture is lunulate. The umbilicus is open, narrow and partly covered. Dry shells have been collected from the Bau and Padawan-Serian limestone hill clusters, Sarawak. Shells are known from the Bau and Padawan-Serian limestone hill clusters, Sarawak, Malaysia.What does it look like?Fine spiral grooves and radial riblets cross to form a cancellated shell sculpture.Where and how does it live?Dry shells have been collected from the Bau and Padawan-Serian limestone hill clusters, Sarawak.The aperture is lunulate.The umbilicus is open, narrow and partly covered.Keeping it safeAn extinction-risk assessment has not been added yet.