Northern North Island as far south as Mahia Peninsula, from 59-207m
Notes:
Marine, Native - Endemic
Description:
Shell smaller than australe, and proportionately wider, with a distinctive colour pattern of two broad spiral series of reddish-brown maculations on a white ground
Powell, A.W.B. 1979New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.155)
Powell, A.W.B. 1954 New Zealand Molluscan Systematics with Descriptions of New Species: Part 2, Records of the Auckland Institute and Museum, 4(4) (p.235) Original Description