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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 - Autobranchia - Arcoida - Family: Glycymeridae

Glycymeridae: Glycymerinae

 

Genus: Glycymeris (Glycymerula)

 
Width 26mm, Height 24mm, Endemic
North, South, Stewart and Chatham Islands. Shallow water to about 75 metres [ACFME.]

Genus: Tucetona

 
Tucetona laticostata (Quoy & Gaimard, 1835)
Width 105mm, Height 115mm, Large Dog Cockle. Endemic
North, South, Stewart and Chatham Islands. In shallow water to about 75 metres [ACFME.]