Pacific Ocean, New Zealand, type locality undefined, one of several localities: Portobello (South Island, approx. geocoordinates lat. -45.839º, long. 170.65º), Auckland Harbour (North Island, approx. geocoordinates lat. -36.842º, long. 174.749º), or Takapuna (North Island, approx. geocoordinates lat. -36.782º, long. 174.777º); free-living under stones, and in twisted masses in intertidal beaches