Stephopoma roseum (Quoy & Gaimard, 1834) Length 35mm Marine, Native - Endemic, Often seen in large intertwined clumps growing together Northland to Hauraki Gulf AC
Tenagodus maoria (Powell, 1940) Length 50mm Marine, Native - Endemic Northland to Cook Strait AC
Tenagodus weldii (Tenison-Woods, 1876) Length 65mm Corkscrew Shell, Marine, Native - Endemic North Island and Chatham Islands ACM
Key to Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species.
They have been adopted to give an approximation of the range of each species within New Zealand.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island