Powelliphanta annectens

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Powelliphanta annectens
Powelliphanta annectens DOC 2007.jpg
Powelliphanta annectens
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra

Superfamily: Rhytidoidea
Family: Rhytididae
Genus: Powelliphanta
Species: P. annectens
Binomial name
Powelliphanta annectens
Powell, 1936

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.


This species occurs in the northern parts of the South Island of New Zealand.[1] The only individuals have been found between 2,000 and 2,500 ft from the Oparara River near Karamea, to Gunner Downs south of the Heaphy River.[2][3]

Life cycle[edit]

The shape of the eggs of this species is oval. They are seldom constant in dimensions, varying from 9 × 8 mm to 9 × 8.5 mm.[4]


  1. ^ Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  2. ^ "Carnivorous land snails - Powelliphanta" (PDF). NZ Department of Conservation. Archived from the original (PDF) on 2012-10-21. Retrieved 2013-09-17. 
  3. ^ "Rod Morris Nature Photography with Keywords: powelliphanta". www.rodmorris.co.nz. Retrieved 2016-05-20. 
  4. ^ 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.