Helicopsis lunulata

Helicopsis lunulata is a species of air-breathing land snail, terrestrial pulmonate gastropod mollusc in the family Geomitridae from Eastern Europe.

Taxonomy
Before 2020 Helicopsis lunulata was considered to be a synonym of Helicopsis striata and most of its populations were assigned to the latter species, though some large forms were treated as a separate species Helicopsis instabilis (Rossmässler, 1838).

Helicopsis cereoflava (Bielz, 1851) from Romania is probably a synonym of this species.

Distribution
This species occurs in following countries:
 * Ukraine
 * Moldova
 * Romania
 * Russia
 * Poland (probably)
 * Germany (invasive, one colony)