Montenegrina helvola pageti Brandt, 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 : 35

Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina helvola pageti Brandt, 1962 Fig. 15M

Montenegrina (Heteroptycha) pageti Brandt, 1962: 143-144, plate 5, fig. 14.

Montenegrina helvola pageti - Zilch 1981: 128, plate 13, fig. 24. - Nordsieck 2009: 73.

Diagnosis.

Shell small to medium. Lower whorls smooth, upper ones indistinctly wrinkled-costate. Neck densely costate. Basal crest strong, peripheral crest very strong. Peristome pear-shaped. In front view lamella inferior more or moderately emerged. Lunella lateral, fused to the short basalis. Subclaustralis and sulcalis residual or absent. Anterior plica superior long. Clausilium plate not visible through the aperture.

Dimensions

(in mm). Hs: 13.2-16.9, Ws: 3.4-4.2.

Type locality.

"Berat (Perat) in S-Albanien, am Abhang des Festungsberges" = Albania, Berat district, Berat, slope of the castle hill.

Type material.

"Perat, Festungberg", ex Zilch, leg. Fuchs, 1936, holotype (SMF 167016), paratypes (SMF 167017/2, SMF 201625/2, NHMW-E 16552/20, NHMW-K 48296/5, ZMH 85772/3); "Berat, Festungsberg", leg. Fuchs, ex Brandt,? paratypes (type status not indicated on the label) (ZSM 20150455/3).

Other material.

Berat, SW side of the castle hill, 70 m, 40.7041°N, 19.9479°E, leg. DA, ZE, ZF, JG, 27.vi.2014 (HNHM 99616, NHMW 110430/MN/0077).

Distribution.

Known only from the castle hill of Berat (type locality), which is one of the westernmost foothills of the Tomorr Mts (Fig. 18).