Stephopoma roseum (Quoy & Gaimard, 1834) Length 35mm Marine, Native - Endemic, Often seen in large intertwined clumps growing together Middlesex and King Banks, Three Kings Islands, northern North Island as far south as Mahia Peninsula, and Chatham Islands, from 0-710m |
Tenagodus maoria (Powell, 1940) Length 50mm Marine, Native - Endemic Middlesex and King Banks, Three Kings Islands, north-eastern and south-western North Island, and western South Island, from 23-300m |
Tenagodus weldii (Tenison Woods, 1876) Length 65mm Corkscrew Shell, Marine, Native - Endemic Middlesex Bank, Three Kings Islands, and north-eastern North Island as far south as White Island, from 0-550m |