Powelliphanta annectensPowelliphanta annectens is one of the amber snails, an air-breathing land snail, a terrestrial gastropod mollusc in the family Rhytididae. It is a protected species with very limited distribution.DistributionThis species occurs in the northern parts of the South Island of New Zealand. The only individuals have been found between from the Ōpārara River near Karamea, to Gunner Downs south of the Heaphy River.Life cycleThe shape of the eggs of this species is oval. They are seldom constant in dimensions, varying from to.