Xerocrassa
Xerocrassa is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Geomitridae, the hairy snails and their allies. Some species of "Xerocrassa" are instead considered to belong to the "subgenus" "Xerocrassa", within the genus "Trochoidea"; in those cases the species are listed under the generic name "Trochoidea". However, for other authors both taxa are not closely related being different genera. Taxonomy. The genus "Xerocrassa" is divided in 3 subgenera: Species. There are 53 or more species in the genus "Xerocrassa":