Zemysia rakiura Powell, 1939 Width 11mm, Height 9mm Marine, Native - Endemic Southern South Island as far north as Milford Sound, Stewart, Auckland, Antipodes, Bounty and Chatham Islands FMAn |
Zemysia zelandica (Gray, 1835) Width 27mm, Height 25mm Marine North Island as far south as New Plymouth, and Chatham Islands. From shallow water to about 50 metres ACM |
Zemysina globus (Finlay, 1926) Width 28mm, Height 26mm, Thickness 20mm Marine, Native - Endemic North, South, Stewart, Auckland and Chatham Islands, and Mernoo Bank. In shallow water to about 90 metres ACFMAn |
Zemysina striatula (Finlay, 1926) Width 19mm, Height 17mm Marine, Native - Endemic North, South, Stewart and Chatham Islands. From low tide to over 250 metres ACM |