Hydrobiidae spp. (Eastern Europe)
Freshwater snails of family Hydrobiidae.
1. Pontohoratia vinarskii Grego & Mumladze, 2020 (Georgia, 1.6mm; paratype).
2. Pontohoratia mapeli Grego &Mumladze, 2020 (Georgia, 1.4mm; paratype).
3. Pontohoratia pichkhaiai Grego &Mumladze, 2020 (Georgia, 1.3mm; paratype).
4. Bracenica gloeri Grego, Fehér &Erőss, 2020 (Montenegro, 1.6mm; paratype).
5. Travunijana vruljakensis Grego & Glöer, 2019 (Bosnia & Herzegovina, 2.6mm; paratype).
6. Travunijana robusta (Schütt, 1959) (Bosnia & Herzegovina, 1.7mm).
7. Imeretiopsis gorgoleti Grego & Mumladze, 2020 (Georgia, 1.7mm; paratype).
8. Imeretiopsis nakeralaensis Grego & Mumladze, 2020 (Georgia, 1.8mm; paratype).
9. Imeretiopsis prometheus Grego & Palatov, 2020 (Georgia, 1.6mm; paratype).
10. Antibaria notata (Frauenfeld, 1865) (Macedonia, 1.6mm).
11. Hausdorfenia pseudohauffenia Grego & Mumladze, 2020 (Georgia, 1.5mm; paratype).
12. Kartvelobia shishaensis Grego & Mumladze, 2020 (Georgia, 1.4mm; paratype).
13. Kartvelobia sinuata Grego & Mumladze, 2020 (Georgia, 1.8mm; paratype).
14. Saxurinator schlickumi Schütt, 1960 (Kosovo, 1.5mm).
15. Stygobium hercegnoviense Grego & Glöer, 2019 (Montenegro, 1.3mm; paratype).
16. Belgrandia torifera Schütt, 1961 (Bosnia & Herzegovina, 1.9mm).
17. Plagigeyeria konjicensis Grego, 2020 (Bosnia & Herzegovina, 1.8mm; paratype).
18. Plagigeyeria zetaprotogona vitoja A. Reischütz & P.L. Reischütz, 2008 (Montenegro,1.9mm).
19. Plagigeyeria pseudocostellina Grego, 2020 (Bosnia & Herzegovina, 1.9mm; paratype).
20. Plagigeyeria zetatridyma Schütt, 1960 (Montenegro, 2.7mm).
21. Plagigeyeria olsavskyi Grego, 2020 (Bosnia & Herzegovina, 1.6mm; paratype).
22. Plagigeyeria reischuetzorum Grego, 2020 (Bosnia & Herzegovina, 2,3mm; paratype).
23. Plagigeyeria ljutaensis Grego, 2020 (Bosnia & Herzegovina, 2.1mm; paratype).
24. Caucasogeyeria gloeri Grego & Mumladze, 2020 (Georgia, 1.8mm; paratype).
25. Caucasogeyeria chrysomallos Grego & Mumladze, 2020 (Georgia, 1.5mm; paratype).
26. Radomaniola bosniaca (Radoman, 1973) (Bosnia & Herzegovina, 1.7mm).