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Powelliphanta traversi

Species of mollusc From Wikipedia, the free encyclopedia

Powelliphanta traversi
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Powelliphanta traversi, known as Travers' land snail,[1] 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.

Quick Facts Conservation status, Scientific classification ...
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Powelliphanta traversi traversi at Lake Papaitonga
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Powelliphanta traversi traversi in Prouse Bush, Levin, New Zealand

There are six subspecies,[2] all of which are listed by the New Zealand Department of Conservation as threatened:[3]

  • Powelliphanta traversi florida Powell, 1946Nationally Endangered
  • Powelliphanta traversi latizona Powell, 1949Nationally Endangered
  • Powelliphanta traversi koputaroa Powell, 1946Nationally Endangered
  • Powelliphanta traversi otakia Powell, 1946Nationally Critical
  • Powelliphanta traversi tararuaensis Powell, 1938Nationally Endangered
  • Powelliphanta traversi traversi Powell, 1930Nationally 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.[4]

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Description

Powelliphanta traversi are smaller than other species of the same genus.[5]

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Shells of P. traversi that have been predated by brushtail possums

See also

References

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