Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina perstriata (Wagner, 1919)

Diagnosis.

Shell medium to large, light to dark corneous. Lower whorls in some subspecies flattened and nearly of the same width. Whorls smooth to indistinctly costate. Neck weakly inflexed, basal and peripheral crests well recognizable. Peristome attached, angular, with simple to strongly swollen margin. Lamellae superior and spiralis distant to overlapping. In front view lamella inferior moderately emerged, medium-bent subcolumellaris mostly not visible. Lunella dorsolateral to ventrolateral, mostly not connected to the basalis. Subclaustralis often short, sulcalis present. Plica superior frequently fused to the principalis. Anterior plica superior absent or weak. Clausilium plate not or only barely visible through the aperture.