Montenegrina perstriata callistoma Feher & 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 : 62-64

Taxon classification Animalia Stylommatophora Clausiliidae

Montenegrina perstriata callistoma Feher & Szekeres, 2006 Fig. 27B

Montenegrina perstriata callistoma Fehér & Szekeres, 2006 in Erőss et al. 2006: 200-202, fig. 22. - Nordsieck 2009: 74, plate 3, fig. 16.

Montenegrina perstriata crassa - Fehér and Erőss 2009: 11.

Montenegrina perstriata “crassa” - Nordsieck 2009: 75, plate 3, fig. 15.

Diagnosis.

Shell medium, light corneous. Lower whorls smooth, upper ones very finely and densely striate. Neck densely striate. Peristome rounded to angular, with strongly swollen, reflexed margin. Lamellae superior and spiralis overlap to long overlap. Subcolumellaris not or barely, clausilium plate not at all visible through the aperture. Lunella lateral, separate from the basalis. Sulcalis residual to weak. Anterior plica superior separate from the lunella complex.

Dimensions

(in mm). Hs: 14.3-18.1 (holotype 16.0), Ws: 3.2-4.3 (holotype 4.2).

Type locality.

Albania, Bulqizë District, Klenjë, near a cave along the Librazhd to Peshkopi road, 1220 m, 41.3646°N, 20.4685°E.

Type material.

Type locality, leg. ZE, ZF, JK, DM, 24.x.2002, holotype (HNHM 94883), paratypes (NHMUK 20050228, HNC 63192, HNHM 94884/29, NHMW 103289, RMNH 100320, SMF 328093).

Other material.

Type locality, leg. ZF, TN, EM, 13.iv.2014 (HNHM 98982); 1.5 km S of Steblevë, along the Librazhd to Peshkopi road, 1220 m, 41.3250°N, 20.4457°E, leg. ZF, TN, EM, 13.iv.2014 (HNHM 98980); same locality, leg. AR, NR, PR, ix.2013 (NHMW 110430/MN/0082); 1 km S of Steblevë, 1250 m, 41.3239°N, 20.4511°E, leg. ZE, ZF, JK, DM, 24.x.2002 (HNHM 94885); 8.5 km N of Steblevë, leg. AR, NR, PR, ix.2013 (NHMW 110430/MN/0083); rocky grassland between Klenjë and Steblevë, 1190 m, 41.3575°N, 20.4623°E, leg. PJ, TK, Magos, GP, 31.v.2013 (HNHM 99623); Bulqizë District, W of Zabzun, 4 km from the Librazhd to Peshkopi road toward Sebisht, 1230 m, 41.3462°N, 20.3904°E, leg. ZF, 13.iv.2014 (HNHM 98977); Tuçep, 1.5 km N of Ostreni i Vogël, 700 m, 41.4404°N, 20.5052°E, leg. ZF, TN, EM, 14.iv.2014 (HNHM 98987); same locality, leg. ZE, ZF, JK, DM, 25.x.2002 (HNHM 91915); 1.2 km S of Ostreni i Madh, 870 m, 41.4199°N, 20.4633°E, leg. ZF, TN, EM, 14.iv.2014 (HNHM 98986); same locality, leg. ZE, ZF, JK, DM, 25.x.2002 (HNHM 94900); 1.5 km N of Klenjë, along the Librazhd to Peshkopi road, 1220 m, 41.3792°N, 20.4687°E, leg. ZF, TN, EM, 13.iv.2014 (HNHM 98984); 16.3 km N of Steblevë, leg. AR, NR, PR, ix.2013 (NHMW 110430/MN/0084); Librazhd District, W of Funarës, 580 m, 41.2719°N, 20.2839°E, leg. ZF, TN, EM, 12.iv.2014 (HNHM 98953); 3.5 km W of Funarës, 660 m, 41.2748°N, 20.2679°E, leg. ZE, ZF, AH, DM, 11.iv.2006 (HNHM 96814); same locality, leg. ZF, TN, EM, 12.iv.2014 (HNHM 98954).

Distribution.

Gollobordë and Çermenikë Plateaus in eastern central Albania (Fig. 25).

Remarks.

Shell sizes show unusually large variability between the different localities. They are smallest at the type locality, but at other sites can be as large as those of the closely related Montenegrina perstriata tenebrosa Nordsieck, 2009.