Montenegrina rugilabris irmengardis Klemm, 1962

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 : 78-79

Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina rugilabris irmengardis Klemm, 1962 Fig. 28F

Montenegrina (Beieriella) irmengardis Klemm, 1962: 242-244, plate 3, figs 2 (genital anatomy), 8 (shell).

Montenegrina irmengardis irmengardis - Nordsieck 1972: 35, plate 4, fig. 34. - Zilch 1981: 128, plate 15, fig. 40.

Montenegrina skipetarica irmengardis - Nordsieck 2009: 73.

Diagnosis.

Shell large, dark purplish-brown with whitish suture. Lower whorls smooth, upper ones smooth to finely wrinkled-costate. Neck not to slightly inflexed, finely and densely striate. Basal crest well recognizable, peripheral crest weak. Peristome attached, 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 mostly separate from the lunella complex.

Dimensions

(in mm). Hs: 20.1-26.2, Ws: 5.2-6.5 ( Nordsieck 1972).

Type locality.

Greece, Epirus, “Platanusa” (= Platanoussa), 750-800 m.

Type material.

Type locality, leg. Beier, 3-10.vi.1933, holotype (NHMW 74164), paratypes (NHMW 74165/pl., NHMW-K 47162/pl. NHMW-K 47163/pl., NHMW-K 47165/pl., NHMW-E 58051/10, NHMW-E 58052/15, SMF 165015/5, SMF 201606/5, SMF 265701/10, NMBE 535001/1, NMBE 535000/2, SMNS-N 1277, HNHM 36719/2).

Other material.

Type locality, 600 m, 39.4279°N, 21.0106°E, leg. ZE, ZF, JG, 23.vi.2013 (HNHM 99554); Epirus, W of Kedros, 2 km toward Charakopi, 730 m, 39.5728°N, 20.9861°E, leg. ZE, ZF, JG, 24.vi.2013 (HNHM 99552); 4 km E of Charakopi, bridge of the Arachtos River, 380 m, 39.5763°N, 20.9772°E, leg. ZE, ZF, JG, 24.vi.2013 (HNHM 99553).

Distribution.

Arachtos Valley west of the Lakmos and Tzoumerka mountains in northwestern Greece. In addition to the type locality and its surroundings, this taxon is also known from another site ca. 17 km N of the type locality (Fig. 29).