Montenegrina hiltrudae costulata 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 : 37

Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina hiltrudae costulata Eross & Szekeres, 2006 Fig. 19B

Montenegrina sattmanni costulata Erőss & Szekeres, 2006 in Erőss et al. 2006: 204, fig. 27. - Nordsieck 2009: 73.

Diagnosis.

Shell small to medium, conical, whitish-corneous. Surface distinctly costate, ribs sharper on the upper whorls, denser at the neck. Neck very weakly inflexed. Basal crest strong, peripheral crest not recognizable. Peristome detached, ovoid, with somewhat swollen margin. Lamellae superior and spiralis long overlap. In front view lamella inferior more or less well emerged, broadly-bent subcolumellaris mostly not visible. Lunella dorsal, short and broad, mostly separate from the strong basalis. Subclaustralis short, sulcalis strong. Anterior plica superior mostly connected to the lunella complex.

Dimensions

(in mm). Hs: 14.1-20.4 (holotype 16.0), Ws: 3.7-5.3 (holotype 4.8).

Type locality.

Albania, Korçë District, Qafa e Zvezdës, 4 km from Zvezdë along the road to the Prespa Lake, 1030 m, 40.7330°N, 20.8729°E.

Type material.

Type locality, leg. ZE, ZF, JK, DM, 2.vii.2003, holotype (HNHM 94893), paratypes (NHMUK 20050231, HNC 63195, HNHM 94894/77, NHMW 103293, RMNH 100323, SMF 328097).

Other material.

Type locality, leg. ZE, ZF, JG, 29.vi.2013 (HNHM 99590); transitional forms to Montenegrina hiltrudae sattmanni : Korçë District, Mt. Thatë, ca. 2.7 km NNW of Zvezdë, ca. 500 m SW of the Zvezdë Summit, 1720 m, 40.7565°N, 20.8494°E, leg. ZB, CN, DP, 25.v.2007 (HNHM 99589); Zaroshka, 870 m, 40.7668°N, 20.9277°E, leg. ID, 27.v.2013 (DED).

Distribution.

Southern part of the Mt. Thatë, in the vicinity of the Zvezdë Pass that connents the Prespa and Korçë Basins (Fig. 20).