An as-yet-unnamed Powelliphanta species is provisionally known as Powelliphanta sp. from the Baton River. This is one of the amber snails. It is an undescribed species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. Conservation status Powelliphanta sp. from the Baton River is classified as Nationally Critical by the New Zealand Department of Conservation. References Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 New Zealand Department of Conservation Threatened Species Classification Department of Conservation Recovery Plans Gastropods of New Zealand Powelliphanta Undescribed gastropod species Endemic fauna of New Zealand Endemic molluscs of New Zealand