Theodoxus euxinus is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.[1]
The distribution of this species includes:
The type locality is Dobrogea, Romania.
The shell is shiny, smooth, with a coarse white ziczac pattern. The width of the shell is 6–8 mm.
This species occurs in woodlands of the Danube Delta region, on rocks, and on sandy or muddy substrates.
This article incorporates public domain text from the reference[2]