Micrarionta opuntia

Micrarionta opuntia, known as the prickly pear island snail, pricklypear islandsnail, or prickly pear snail, is a species of land snail in the family Xanthonychidae.^[1][2][3] It is endemic to California, first formally described in 1975.^[4]

Micrarionta opuntia
Conservation status
Vulnerable  (IUCN 2.3)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Xanthonychidae
Genus:	Micrarionta
Species:	M. opuntia
Binomial name
Micrarionta opuntia Roth, 1975

The type locality is northeastern San Nicolas Island, at the base of a prickly pear (Opuntia littoralis), in a small depression.^[4] It reaches around 10.5 mm (13⁄32 in) in diameter.^[4]