Powelliphanta 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.
Distribution This species occurs in the northern parts of the South Island of New Zealand.Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 The only individuals have been found between from the Ōpārara River near Karamea, to Gunner Downs south of the Heaphy River.
Life cycle
The shape of the eggs of this species is oval. They are seldom constant in dimensions, varying from to .O'Connor A. C. (June) 1945. Notes on the Eggs of New Zealand Paryphantidae, With Description of a New Subgenus. Transactions of the Royal Society of New Zealand, volume 5, 1945-46, pages 54-57.
References