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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
Bivalvia - Protobranchia - Nuculanida - Family: Yoldiidae

Yoldiidae: Yoldiellinae

 

Genus: Yoldiella

 
Yoldiella hamiltoni (Powell, 1935)
Length 4.8mm, Height 3.8mm, Endemic
Off Resolution Island, Dusky Sound, Fiordland [FME.]
 
Yoldiella librata (Dell, 1952)
Length 3.1mm, Height 1.9mm, Endemic
Tasman Sea. Off west coast of North Island, 980 metres [CE.]
 
Yoldiella powelli (Dell, 1950)
Length 4.4mm, Height 3.2mm, Endemic
Off Three Kings Islands and Northland [AE.]