Helminthoglyptinae

species of mollusc

Xerarionta is a genus of land snails in the subfamily Helminthoglyptinae. Xerarionta are native to the pacific coast and islands of southern California and the Baja California peninsula, with the northernmost native population occurring on the Palos Verdes peninsula (possibly extirpated).

Polymita is a genus of large, air-breathing land snails in the family Cepolidae.

Micrarionta is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helminthoglyptidae.

Eremarionta is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helminthoglyptidae.