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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 =
N =
North Island
S =
South Island
E =
I =
Gastropoda - Opisthobranchia - Nudibranchia - Family: Fionidae



Genus: Eubranchus

Eubranchus agrius Er.Marcus, 1959
Length 6.5mm (animal)
North Island and South Island to Banks Peninsula and Otago Peninsula [ACF]
Eubranchus rubeolus Burns, 1964
Length 7mm (animal)
South Island. Off Otago Heads. Also Point Lonsdale, Victoria, Australia [F]

Genus: Fiona

Fiona pinnata (Eschscholtz, 1831)
Length 40mm (animal)
North, South Chatham, Campbell Islands. Pelagic, attached to drifting kelp or wood. Also Mediterranean Sea, Western Atlantic, California and Australia [ACFMAn]

Genus: Tenellia

Tenellia alpha (Baba & Hamatani, 1963) (=columbiana of authors not O'Donoghue)
Tenellia beta (Baba & Abe, 1964)
Tenellia melanobrachia Bergh, 1874 (=melanobranchia of authors)
Kermadec Islands [K.]
Tenellia reflexa (Miller, 1977) (=perca of authors not Er. Marcus)
Tenellia scintillans Miller, 1977
Length 5mm (animal)
Poor Knights Islands, Northland [AE.]
Tenellia zelancica Odhner, 1924
Length 15mm (animal)
Auckland Islands [AnE.]