Powelliphanta rossiana

Powelliphanta rossiana, known as Ross' 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 South Island of New Zealand. Subspecies include:
 * Powelliphanta rossiana fletcheri Powell, 1938 – Range Restricted
 * Powelliphanta rossiana, subspecies "Fox"
 * Powelliphanta rossiana gagei Powell, 1938 – Nationally Critical
 * Powelliphanta rossiana rossiana Powell, 1930

The eggs are oval and seldom constant in dimensions 8 × 6.75, 6.5 × 5.75, 8.25 × 6.75 mm.