Wikipedia
Corilla
Corilla is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Plectopyloidea.
Corilla is the only genus in the family Corillidae (cf. Schileyko (1999). This family has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).