This species is
endemic to
Bulgaria, where it is found at one site only. This site is the area where water emerges from the spring in
Chirpan Bunar Cave, and flows into a small pond. The total area occupied by this species of snail is approximately 2 m of the spring's flow length. The cave is situated 3 km east of the village of
Bolyarino, in the
Upper Thracian Lowland. ==References==