Powelliphanta patrickensis

Powelliphanta patrickensis is a species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. This species is endemic to the South Island of New Zealand. Formerly, it was considered as a subspecies of Powelliphanta rossiana.

Distribution
This species occurs only on the Denniston-Stockton Plateau on the South Island of New Zealand.

Conservation status
Powelliphanta patrickensis is classified by the New Zealand Department of Conservation as being Nationally Endangered. The population is threatened by mining, roading, and introduced predators such as thrushes, rats and possums.