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Genus: Astraea
Astraea heliotropium (Martyn, 1784) Width 120mm, Height 60mm Circular Saw Shell, Marine, Endemic North, South, Stewart and Chatham Islands ACFME.
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