Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina cattaroensis (Rossmaessler, 1835)

Diagnosis.

Shell medium to large, light corneous. Whorls smooth or indistinctly costate. Neck weakly inflexed, basal and peripheral crests weak to well recognizable. Peristome attached, ovoid to angular, with somewhat swollen margin. Lamellae superior and spiralis mostly overlap. In front view lamella inferior well emerged, medium-bent subcolumellaris mostly visible. Lunella dorsal to dorsolateral, separate from the strong basalis. Subclaustralis well developed, sulcalis present. Anterior plica superior long, separate from the lunella complex. Clausilium plate partly visible through the aperture.