Quick Search
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 approxomation of the range of each species within New Zealand.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
FW =
L =
E =
I =
Gastropoda - Opisthobranchia - Thecosomata - Family: Cavoliniidae



Genus: Cavolinia

Cavolinia gibbosa (d'Orbigny, 1836)
Off north end of New Zealand. Most warm seas [AC]
Cavolinia globulosa (Gray, 1850)
Length 5mm
Cavolinia inflexa (Lesueur, 1813)
Height 7mm, Width 4.1mm
Off Three Kings Islands. Most warm seas [AC]
Cavolinia tridentata (Forsskål, 1775) (=telemus of authors not Linnaeus)
Length 15mm, Width 12mm
Off Three Kings Islands to Fiordland and Chatham Islands. Most warm and temperate seas [K.ACFMAn]
Cavolinia uncinata (d'Orbigny, 1836)
Most warm seas. New Zealand [AC]

Genus: Diacavolinia

Diacavolinia longirostris (Blainville, 1821)
Length 9mm, Width 6.3mm
Off Three Kings Islands to Northland. World wide in warm and temperate seas [A]

Genus: Diacria

Diacria major (Boas, 1886)
Diacria quadridentata (Blainville, 1821)
Diacria trispinosa (Blainville, 1821)
Height 7mm, Width 6.3mm
Off Three Kings Islands to Bay of Plenty. All seas, especially the Atlantic [K.ACFMAn]