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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
N =
North Island
S =
South Island
E =
Endemic
I =
Introduced
Bivalvia - Heterodonta - Veneroida - Family: Semelidae

Semelidae: Semelinae

 

Genus: Abra

 
Abra profundorum (E.A.Smith, 1885)
Length 26mm
Throughout New Zealand. Also N Atlantic, Indian, W and central Pacific, including the Tasman Sea [K.ACFMAn]
 

Genus: Leptomya

 
Leptomya retiaria (Hutton, 1885)
Width 20mm, Height 15mm
North, South, Stewart and Chatham Islands [ACFMAnE.]
Width 32mm, Height 21mm
Off Auckland Islands, 7-10 metres [AnE.]
 

Genus: Semele

 
Semele vestalis (A.Adams in Reeve, 1853) (=brambleyae Powell)
Width 32mm, Height 31mm, Known from a single specimen, presumably introduced
North Island [A]
 

Genus: Theora (Endopleura)

 
Width 9mm, Height 6mm, Introduced
North Island and upper South Island to Christchurch [AC]
 

Semelidae: Erviliinae

 

Genus: Ervilia

 
Ervilia bisculpta Gould, 1861
Kermadec Islands [K.]
 

Genus: Rochefortina

 
Rochefortina sandwichensis (E.A.Smith, 1885)
Kermadec Islands [K.]