Montenegrina helvola carinata Eross & Szekeres, 1999

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 : 33

Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina helvola carinata Eross & Szekeres, 1999 Fig. 15J

Montenegrina helvola carinata Erőss & Szekeres, 1999 in Erőss et al. 1999: 449-450, fig. 4.

Diagnosis.

Shell small to large, slender. Lower whorls smooth to finely, indistinctly costate, upper ones wrinkled-costate. Neck strongly costate. Peripheral crest particularly strong, extends to the entire last whorl. Peristome pear-shaped. In front view lamella inferior hidden or only barely emerged. Lunella ventrolateral, fused to the long basalis. Subclaustralis short, sulcalis absent or residual. Anterior plica superior long. Clausilium plate not visible through the aperture.

Dimensions

(in mm). Hs: 15.4-21.2 (holotype 18.9), Ws: 3.4-4.2 (holotype 3.7).

Type locality.

Albania, Mallakastër District, 4 km SSE of Greshicë, gorge of the Përroi i Povlit (in the description erroneously given as Konakut Valley), 150 m, 40.5356°N, 19.7964°E.

Type material.

Type locality, leg. ZE, 17.viii.1993, holotype (HNHM 70836), paratypes (HNHM 70837/2, NHMW 100077/2, SMF 312506/2, NMBE 534907/1, NMBE 22595/1).

Other material.

Type locality, leg. ZF, JK, DM, 11.x.2004 (HNHM 95051); Byllis, 40.5447°N, 19.7389°E, leg. AR, NR, PR, ix.2003 (NHMW 110430/MN/0078); Poçem, bank of the Vjosë, 50 m, 40.4926°N, 19.7261°E, leg. ZB, DP, GP, 11.v.2014 (HNHM 99618).

Distribution.

Mallakastër Hills in southern Albania, in the lower valley of the Vjosë River. Known localities are within 5 km from each other (Fig. 18).

Remarks.

Nordsieck (2009) mentions this taxon from Mollas, which record presumably refers to Montenegrina helvola ornata Erőss & Szekeres, 1999.