Powelliphanta lignaria unicolorata

Taxobox
name = "Powelliphanta lignaria unicolorata"


image_caption = A "Powelliphanta" of unknown species.
image_width = 250
status = EN
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
ordo = Pulmonata
familia = Rhytididae
genus = "Powelliphanta"
species = "P. lignaria"
subspecies = "P. lignaria unicolorata"
trinomial = "Powelliphanta lignaria unicolorata"
trinomial_authority = Powell, 1930

"Powelliphanta lignaria unicolorata", known as one of the amber snails, is a subspecies of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.

Distribution

This subspecies is endemic to the South Island of New Zealand. It is only found on the south side of the Mokihinui River.

hell description

The shell of this subspecies is plain olive-brown in colour.

The shell diameter is up to 50 mm, and height up to 29 mm.

Conservation status

"Powelliphanta lignaria unicolorata" is classified by the New Zealand Department of Conservation as being "Nationally Vulnerable".

References

* Powell A. W. B., "New Zealand Mollusca", William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
* [http://www.doc.govt.nz/templates/MultipageDocumentPage.aspx?id=39593 New Zealand Department of Conservation Threatened Species Classification]