Powelliphanta annectens

Powelliphanta annectens
	Powelliphanta annectens
Conservation status
	; Nationally Critical (NZ TCS)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
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.

Distribution

This species occurs in the northern parts of the South Island of New Zealand.^[2] The only individuals have been found between 2,000 and 2,500 feet (610 and 760 m) from the Oparara River near Karamea, to Gunner Downs south of the Heaphy River.^[3]^[4]

Life cycle

The shape of the eggs of this species is oval. They are seldom constant in dimensions, varying from 9 by 8 millimetres (0.35 in × 0.31 in) to 9 by 8.5 millimetres (0.35 in × 0.33 in).^[5]

References

^ Walker, Kath; et al. (February 2024). Todd, Amanda (ed.). Conservation status of New Zealand indigenous terrestrial Gastropoda (slugs and snails) (PDF) (Report). Part 3. Rhytididae (carnivorous snails), 2022. New Zealand Department of Conservation. p. 26. ISBN 978-1-7385800-7-1. ISSN 2324-1713. Retrieved 27 September 2024.
^ Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
^ "Carnivorous land snails - Powelliphanta" (PDF). NZ Department of Conservation. Archived from the original (PDF) on 2012-10-21. Retrieved 2013-09-17.
^ "Rod Morris Nature Photography with Keywords: powelliphanta". www.rodmorris.co.nz. Retrieved 2016-05-20.
^ 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.

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[NZTCS-1] Walker, Kath; et al. (February 2024). Todd, Amanda (ed.). Conservation status of New Zealand indigenous terrestrial Gastropoda (slugs and snails) (PDF) (Report). Part 3. Rhytididae (carnivorous snails), 2022. New Zealand Department of Conservation. p. 26. ISBN 978-1-7385800-7-1. ISSN 2324-1713. Retrieved 27 September 2024.

[Powell-2] Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1

[3] "Carnivorous land snails - Powelliphanta" (PDF). NZ Department of Conservation. Archived from the original (PDF) on 2012-10-21. Retrieved 2013-09-17.

[4] "Rod Morris Nature Photography with Keywords: powelliphanta". www.rodmorris.co.nz. Retrieved 2016-05-20.

[O'Connor-5] 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.

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