Powelliphanta lignaria
| Powelliphanta lignaria | |
|---|---|
 | |
| Powelliphanta lignaria lusca shell | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | Pulmonata |
| Family: | Rhytididae |
| Genus: | Powelliphanta |
| Species: | P. lignaria |
| Binomial name | |
| Powelliphanta lignaria (Hutton, 1888) | |
| Synonyms [1] | |
|
Paryphanta lignaria Hutton, 1888 | |
Powelliphanta lignaria johnstoni at Charming Creek, Buller District, New Zealand
Powelliphanta lignaria johnstoni, Mokihinui River area
Powelliphanta lignaria, known as one of the amber snails, is a species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. The eggs of P. lignaria are oval and seldom constant in dimensions 10 × 8.25, 9 × 7.75, 9 × 8, 8.75 × 7.75 mm.[2]
P. lignaria is endemic to the west coast of the South Island of New Zealand. There are seven subspecies,[3] all of which are listed by the New Zealand Department of Conservation as threatened:[4]
- Powelliphanta lignaria johnstoni Powell, 1946 – Nationally Endangered
- Powelliphanta lignaria lignaria Hutton, 1888 – Nationally Vulnerable
- Powelliphanta lignaria lusca Powell, 1949 – Nationally Vulnerable
- Powelliphanta lignaria oconnori Powell, 1938 – Nationally Vulnerable
- Powelliphanta lignaria rotella Powell, 1938 – Nationally Endangered
- Powelliphanta lignaria ruforadiata Powell, 1949 – Nationally Endangered
- Powelliphanta lignaria unicolorata Powell, 1930 – Nationally Vulnerable
References
- 1 2 Mollusc Specialist Group (1996). "Paryphanta lignaria". IUCN Red List of Threatened Species. Version 2009.2. International Union for Conservation of Nature. Retrieved March 3, 2010.
- ↑ A. C. O'Connor (1945). "Notes on the eggs of New Zealand Paryphantidae, with description of a new subgenus". Transactions of the Royal Society of New Zealand 5: 54–57.
- ↑ Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
- ↑ "New Zealand Threat Classification System lists - 2002 - Terrestrial invertebrate - part one". New Zealand Department of Conservation. 2002. Retrieved March 3, 2010.
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