Powelliphanta lignaria rotella

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Powelliphanta lignaria rotella
A Powelliphanta of unknown species.
Conservation status
Endangered
Scientific classification
Kingdom: Animalia Phylum: Mollusca Class: Gastropoda Order: Pulmonata Family: Rhytididae Genus: Powelliphanta Species: P. lignaria Subspecies: P. lignaria rotella
Trinomial name
Powelliphanta lignaria rotella Powell, 1938

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

Contents 1 Distribution 2 Shell description 3 Conservation status 4 References

[edit] Distribution

This subspecies is endemic to the South Island of New Zealand. It is only found in the Seddonville area, and on the western slopes of the Glasgow Range.

[edit] Shell description

The shell has a dense dorsal pattern of dark reddish-brown spiral lines, as well as a few bold widely spaced dark brown axial streaks. There are only faint to obsolete spiral lines on the othwise plain yellowish-olive base.

The shell diameter is up to 42 mm, and height up to 28 mm.

[edit] Conservation status

Powelliphanta lignaria rotella is classified by the New Zealand Department of Conservation as being Nationally Endangered.

[edit] References

• Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
• New Zealand Department of Conservation Threatened Species Classification