Montenegrina rugilabris lambdaformis Reischuetz & Sattmann, 1990

Feher, Zoltan & Szekeres, Miklos, 2016, Taxonomic revision of the rock-dwelling door snail genus Montenegrina Boettger, 1877 (Mollusca, Gastropoda, Clausiliidae), ZooKeys 599, pp. 1-137 : 79

Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina rugilabris lambdaformis Reischuetz & Sattmann, 1990 Fig. 28E

Montenegrina irmengardis lambdaformis Reischütz & Sattmann, 1990: 260, plate 3, fig. 7.

Montenegrina skipetarica lambdaformis - Nordsieck 2009: 73.

Diagnosis.

Shell medium to large, dark purplish-brown with whitish suture. All whorls smooth, lower ones separated by whitish suture. Neck not to slightly inflexed, densely striate. Basal crest well recognizable, peripheral crest weak. Peristome mostly detached, with somewhat swollen margin. Lamellae superior and spiralis overlap. In front view lamella inferior well emerged, subcolumellaris mostly visible. Lunella dorsal-dorsolateral, fused to the basalis. Subclaustralis short. Anterior plica superior separate from the lunella complex.

Dimensions

(in mm). Hs: 17-20 (holotype 19.5), Ws: 4.0-5.0 (holotype 4.5 mm).

Type locality.

Greece, Epirus, Pateron Monastery, W of Zitsa.

Type material.

Type locality, leg. PR, vii.1987, holotype (NHMW 84367), paratypes (NHMW 84368/3).

Other material.

Greece, Epirus, E of Lithino, ca. 1 km N of the Pateron Monastery, 360 m, 39.7720°N, 20.6180°E, leg. ZE, ZF, JG, 25.vi.2013 (HNHM 99555).

Distribution.

Epirus in northwestern Greece. Known only from the vicinity of the Pateron Monastery (Fig. 29).