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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.
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
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
FW =
Freshwater
L =
Land
E =
Endemic
I =
Introduced
Gastropoda - Opisthobranchia - Runcinacea - Family: Runcinidae

Runcinidae

 

Genus: Pseudoilbia

 
Pseudoilbia lineata Miller & Rudman, 1968
Length 2.9mm (animal), Endemic. No internal shell
Northland. Bream Tail [AE.]
 

Genus: Runcina

 
Runcina katipoides (Miller & Rudman, 1968)
Length 6mm (animal), Endemic
Northern half of North Island, living on Corallina officinalis in pools [ACE.]
 

Genus: Runcinella

 
Runcinella zelandica Odhner, 1924
Length 2.2mm (animal), Endemic. No internal shell
Northland [AE.]