Powelliphanta traversi explained

Powelliphanta traversi, known as Travers' land snail, is a species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. This species is endemic to the North Island of New Zealand between Wellington and Lake Waikaremoana.

There are six subspecies,^[1] all of which are listed by the New Zealand Department of Conservation as threatened:^[2]

• Powelliphanta traversi florida Powell, 1946 – Nationally Endangered
• Powelliphanta traversi latizona Powell, 1949 – Nationally Endangered
• Powelliphanta traversi koputaroa Powell, 1946 – Nationally Endangered
• Powelliphanta traversi otakia Powell, 1946 – Nationally Critical
• Powelliphanta traversi tararuaensis Powell, 1938 – Nationally Endangered
• Powelliphanta traversi traversi Powell, 1930 – Nationally Endangered

The eggs are oval and seldom constant in dimensions 10 × 8.75 mm, 9.5 × 8.5 mm, 10 × 8 mm, 11 × 9 mm, 10.75 × 9 mm.^[3]

See also

• List of non-marine molluscs of New Zealand

Notes and References

1. [Arthur William Baden Powell|Powell A. W. B.]
2. Web site: Powelliphanta snails . . 9 December 2021 .
3. [A. C. O'Connor|O'Connor A. C.]