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Genus: Cyclomactra
Cyclomactra ovata (Gray, 1843) Width 80mm, Height 62mm Marine, Endemic North, South and Chatham Islands. Buried deeply in soft mud ACFME.
Cyclomactra tristis (Reeve, 1854) Width 60mm, Height 55mm Marine, Endemic, Buried in mud at low tide North and South Islands ACFE.
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