Montenegrina nana gracilis 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 : 58-60

Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina nana gracilis Eross & Szekeres, 2006 Fig. 24C

Montenegrina perstriata gracilis Erőss & Szekeres, 2006 in Erőss et al. 2006: 202, fig. 23. - Nordsieck 2009: 74.

Diagnosis.

Shell small to medium, light to dark corneous. Lower whorls smooth, upper ones indistinctly costate. Inflexed neck with sharp, irregular ribs. Basal crest strong, peripheral crest well recognizable. Lamellae superior and spiralis mostly do not overlap. Lamella subcolumellaris not visible through the aperture. Lunella dorsolateral-lateral to lateral, mostly fused to the short basalis. Subclaustralis and sulcalis well developed. Anterior plica superior absent or weak, parallel to the principalis, separate from the lunella complex. Clausilium plate not visible through the aperture.

Dimensions

(in mm). Hs: 14.2-20.1 mm (holotype 16.5), Ws: 3.5- 4.7 mm (holotype 3.9).

Type locality.

Albania, Bulqizë District, 10 km E of Bulqizë, bank of Lumi i Zalli i Qytetit, 620 m, 41.5096°N, 20.3149°E.

Type material.

Type locality, leg. ZE, ZF, JK, DM, 25.x.2002, holotype (HNHM 94886), paratypes (NHMUK 20050229, HNC 63193, HNHM 94887/90, NHMW 103290, RMNH 100322, SMF 328094, NMBE 535066/4).

Other material.

Type locality, leg. LD, ZE, ZF, AH, DM, 30.vi.2007 (HNHM 99624).

Distribution.

Mt. Temlishi in northern Albania. Known only from the type locality at the foot of this mountain (Fig. 25A).

Remarks.

Erroneously this taxon was also mentioned from the vicinity of the Tre Çesmë Spring near Zerqan ( Erőss et al. 2006), a locality of Montenegrina perstriata ochridensis (see also there).