title: Powelliphanta spedeni
text: # Powelliphanta spedeni
  
  Powelliphanta spedeni, known as one of the amber snails, is a species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.
  
  ## Distribution
  
  This species is endemic to the South Island of New Zealand. There are two subspecies:
  
  * Powelliphanta spedeni spedeni Powell, 1932
  * Powelliphanta spedeni lateumbilicata Powell, 1946
  
  ## Description
  
  The shell of Powelliphanta spedeni reaches a maximum size of 40 mm.
  
  ## Life cycle
  
  Powelliphanta spedeni produces an egg up to the size of 11.5 mm. Shape of the eggs is oval and seldom constant in dimensions 11.5 × 9 mm, 11 × 9 mm, 9 × 7.75 mm. Its eggs are laid in March.
  
  