Belgrandiella robusta Radoman, 1975

Osikowski, Artur, Hofman, Sebastian, Rysiewska, Aleksandra, Sket, Boris, Prevorčnik, Simona & Falniowski, Andrzej, 2018, A case of biodiversity overestimation in the Balkan Belgrandiella A. J. Wagner, 1927 (Caenogastropoda: Hydrobiidae): molecular divergence not paralleled by high morphological variation, Journal of Natural History 52 (5 - 6), pp. 323-344 : 336

Belgrandiella robusta Radoman, 1975 (= B. cf. robusta )

( Figures 2k, l, o ; 3a – f )

Diagnosis

Shell ovate conic – ovate, apex moderately pointed, spire low, whorls moderately tumid, body whorl broad, peristome continuous, columellar section in a form of callus, outer lip simple, umbilicus narrow, slit-lie or closed, shell thick-walled, operculum reddish.

Type material

Type locality: Veliki Obrh, a big source by the Vrhnika village , in LoŠka Dolina (LoŠka valley), east of the Cereknica Basin, Slovenia .

Distribution

Endemic to Slovenia.

Figures

Figure 2. Shells of Belgrandiella (molecular clade A): (a–c) Belgrandiella kusceri, topotype, Rakek; (d, e) Belgrandiella zermanica, topotype, Zrmanja River; (f, g) Belgrandiella krupensis, topotype, Krupa River; (h–j) Belgrandiella cf. fontinalis, Krk Island; (k, l) Belgrandiella robusta, topotype, Veliki Obrh; (m, n) Belgrandiella cf. pageti, KrŠka jama, source of Krka River; (o) Belgrandiella cf. robusta, ŽerovniŠČica; (p–s) Belgrandiella cf. croatica, Rupa na Brodu. Scale bar represents 1 mm.

Figure 3. Shells of Belgrandiella: (a–f) molecular clade A: (a–d) Belgrandiella cf. robusta, spring of river LipsenjŠČica, Cerknica; (e, f) Belgrandiella cf. robusta, Dvorce, Čatež ob Savi; (g) Boleana umbilicata, topotype, spring MoČilnik; (h, i) molecular clade B: Belgrandiella cf. kuesteri, PotoČe; (j–r) molecular clade C: (j) Belgrandiella cf. fontinalis, PotoČe; (k–r) Belgrandiella cf. fontinalis, Babja luknja; (s, t) molecular clade D: Belgrandiella cf. koprivnensis, Izvor Plive 1A, DraganiĆ. Scale bar represents 1 mm.