Powelliphanta hochstetteri bicolor, known as one of the amber snails, is a subspecies of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. Distribution This species occurs in New Zealand Life cycle The shape of the eggs is oval, and they are usually not constant in their dimensions, on average they are 10.75 × 9 mm. Conservation status Powelliphanta hochstetteri bicolor is classified by the New Zealand Department of Conservation as being in Gradual Decline. References New Zealand Department of Conservation Threatened Species Classification Powelliphanta Taxa named by Arthur William Baden Powell Endemic fauna of New Zealand Endemic molluscs of New Zealand