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Genus: Hydatina
Hydatina albocincta (Van der Hoeven, 1839) Height 47mm, Width 40mm Marine Northland east coast harbours. Also Japan to northern Australia A
Hydatina physis (Linnaeus, 1758) Height 60mm, 50mm Rose Petal Bubble Shell, Marine Worldwide in warm seas. Northland east coast to Coromandel KA
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