Genus Hausdorfenia Grego & Mumladze gen. nov.

Type species.

Hausdorfenia pseudohauffenia Grego & Mumladze, sp. nov.

Species assigned to the genus.

Hausdorfenia shareula Grego & Mumladze, sp. nov.

Diagnosis.

The new genus differs from Pontohoratia Vinarski, Palatov & Glöer, 2014 by its flatter shell shape, more coarsely pitted protoconch and by its operculum with a distinct peg on its inner side. The molecular data support the closest relationship is to the genus Kartvelobia gen. nov.; however, its valviform shell shape is substantially different from the elongate oval shape and aperture morphology of its relative.

Etymology.

Name derived from Bernhard Hausdorf, Hamburg University (Germany), who contributed much to the study of Mollusca from whole Caucasus region.

Distribution.

Known from the karstic plateau of Shaori (შაორის კარსტული პლატო) and adjacent stygobiotic habitats (Fig. 15).