Bythinella radomani, Glöer & Reuselaars, 2020

Glöer, Peter & Reuselaars, Robert, 2020, The Bythinella spp. of Greece (Gastropoda: Hydrobioidea: Bythinelliidae), Ecologica Montenegrina 29 (2020), pp. 20-33 : 27

Bythinella radomani n. sp. [fig. 2.6]

Material examined: Holotype ( RMNH.MOL.340504) and 4 paratypes ( RMNH.MOL.340505) from type locality.

Holotype: 2.5 mm high, 1.5 mm broad from type locality.

Paratypes: 4 paratypes from type locality, 1 adult and 12 subadult ex. in coll. Robert Reuselaars (no. 1268)

Locus typicus: Spring between Kokinochori & Perivoli, Fokidha, Greece at 785 meters altitude ( Figure 13 ), 38° 30' 24.98346''' N 22° 01' 16.56789'' E, 14.06.2019 Robert Reuselaars leg.

Habitat: On smal stones and old leaves in small canal below the spring. This species occupies an area of about 1 m 2.

Etymology: Named after Pavle Radoman to honour his work on hydrobiid snails of the Balkans.

Description: The shell is slim ovate with 4.5-5 convex whorls which are separated by a deep suture. The aperture is ovate, slightly angled at the top. The peristome is broadened at the columella. The umbilicus is closed. The body whorl takes 0.7 of shell height. The aperture is 0.9 mm high and 0.7 mm broad. The ratio of shell height to shell width is 1.8. The shell is 2.5-2.8 mm high and 1.5-1.7 mm broad.

Differentiating characters: See B. pesici n. sp.

Distribution: Only known from type locality.

Figures

Figures 10-14: Sampling sites. 10. Aghios Petros (type locality of Bythinella petrosensis n. sp.), 11. Monia Konstadinou (type locality of Bythinella konstandinensis n. sp.), 12. Olymbos mountain (type locality of Bythinella olymbosensis n. sp.), 13. Kokinochori (type locality of Bythinella radomani n. sp.), 14. N. of Klima (type locality of Bythinella pesici n. sp.), 15: spring above Eftalophos (type locality of Daphniola eptalofos).