Powelliphanta gilliesi, one of the "amber snails", is a species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.
This species is endemic to the West Nelson area of the South Island of New Zealand.
There are nine subspecies, some of which are listed by the New Zealand Department of Conservation:
The eggs of this species are oval in shape and are seldom constant in dimensions, varying from 9 × 8 mm, to 9.75 × 8 mm, and 10 × 8 mm.
