1 Imeretiopsis prometheus sp. nov., Imereti, Kumistavi, Prometheus Cave, paratype SBMNH 633098 2 I. nakeralaensis sp. nov., Imereti, Tikbuli, spring below Nakerala Pass, paratype SBMNH 633110 3 I. gorgoleti sp. nov., Racha, Gorgoleti, above road to Tsakhi, paratype SBMNH 635910 4 Caucasopsis egrisi sp. nov., Pirveli Blada, spring in village, paratype SBMNH 639559. Scale bars: 1 mm. SEM SBMNH Vanessa Delnavaz.

 
 
  Part of: Grego J, Mumladze L, Falniowski A, Osikowski A, Rysiewska A, Palatov DM, Hofman S (2020) Revealing the stygobiotic and crenobiotic molluscan biodiversity hotspot in Caucasus: Part I. The phylogeny of stygobiotic Sadlerianinae Szarowska, 2006 (Mollusca, Gastropoda, Hydrobiidae) from Georgia with descriptions of five new genera and twenty-one new species. ZooKeys 955: 1-77. https://doi.org/10.3897/zookeys.955.51983