Chondrina
Chondrina is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Chondrinidae. All species of "Chondrina" are restricted to the West Palaearctic. Centers of species diversity are found on the Iberian peninsula, in northern Italy and in the Balkans. The species are restricted to calcareous rocks, and occur only on vertical, exposed rock faces. Species. There are more than 40 extant species in the genus "Chondrina", with four new species described in 2010.