Montenegrina laxa errans Eross & Szekeres, 2006

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 : 52

Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina laxa errans Eross & Szekeres, 2006 Fig. 21E

Montenegrina laxa errans Erőss & Szekeres, 2006 in Erőss et al. 2006: 198, fig. 20. - Nordsieck 2009: 73.

Diagnosis.

Shell slender, medium to large, yellowish-corneous. Lower whorls smooth, upper ones finely striate. Neck inflexed, striate. Basal and peripheral crests weak. Peristome angular, with somewhat swollen margin. Lamellae superior and spiralis do not overlap. Subcolumellaris and clausilium plate not visible through the aperture. Lunella lateral to ventrolateral, basalis strong. Subclaustralis short, sulcalis residual or absent. Anterior plica superior long, starts diverging from, then turns parallel to the plica principalis. It is not connected to the lunella complex.

Dimensions

(in mm). Hs: 16.0-19.9 (holotype 19.9), Ws: 3.6-4.3 (holotype 4.0).

Type locality.

Albania, Pogradec District, Çervenakë, 6 km from the Lin to Pogradec road toward the TV transmission tower, 1150 m, 40.9444°N, 20.6109°E.

Type material.

Type locality, leg. ZE, ZF, JK, DM, 2.vii.2003, holotype (HNHM 94874), paratypes (NHMUK 20050226, HNC 63190, HNHM 94875/66, NHMW 103287, RMNH 100314, SMF 328091, NMBE 22599/3).

Other material.

Type locality, leg. ZE, ZF, JG, 29.vi.2013 (HNHM 99631); 4 km SW of Bishnicë, Shkemb i Qytetit, 1140 m, 40.9210°N, 20.4491°E, leg. ZF, TN, EM, 12.iv.2014 (HNHM 98950); Librazhd District, Stravaj, 790 m, 41.0042°N, 20.4343°E, leg. ZF, TN, EM, 12.iv.2014 (HNHM 98952); Korçë District, NE of Strelcë, limestone gorge of the Lumi i Verbës at the foot of the Shkëmb i Selcës, 990 m, 40.7480°N, 20.5219°E, leg. ZF, JG, 30.vi.2013 (NHMW 110430/MN/0103); same locality, leg. ZB, CN, DP, 23.v.2007 (HNHM 99632).

Distribution.

This is the southernmost Montenegrina laxa subspecies, found sporadically around the Mokër Mts in southeastern Albania (Fig. 23).