Onchidella marginata (Couthou, 1852) Animal 18mm Marine East Coast South Island, Stewart,Campbell and Auckland Islands CFMAn
Onchidella nigricans (Quoy & Gaimard, 1832) Animal 23mm Marine North, South, Stewart and Chatham Islands ACFM
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