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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: Neoleptonidae

Neoleptonidae

 

Genus: Neolepton

 
Neolepton antipodum (Filhol, 1880)
Length 3.6mm, Width 3mm
North, South, Stewart, Chatham Islands, and southern islands, recorded from the intertidal zone (living on Corallina) down to at least 310m [K.ACFMAn]
 
Neolepton powelli Dell, 1964
Length 3.2mm, Height 2.7mm
Macquarie Island, 120 metres [An]
 
Neolepton sublaevigatum (Powell, 1937)
Length 2.8mm, Height 2.3mm
Off Three Kings Islands, 260 metres [ACFME.]
 
Neolepton subobliquum (Powell, 1937)
Length 2mm, Height 1.9mm
Off Three Kings Islands, 260 metres [AE.]
 
Neolepton triangulare (Dell, 1956)
Length 2.6mm, Height 2.3mm
Chatham Rise and off Chatham Islands [ME.]
 

Genus: Pachykellya

 
Pachykellya bernardi Powell, 1927
Width 1.2mm, Height 1.4mm
Fiordland [FE.]
 
Width 1mm, Height 0.8mm
Off Puysegur Point, Fiordland, Chatham and Auckland Islands [FMAnE.]
 
Pachykellya edwardsi Bernard, 1897
Width 1.2mm, Height 1.5mm
Stewart Island and Otago to Fiordland [FE.]
 
Pachykellya minima Powell, 1931
Width 0.9mm, Height 0.8mm
North, South, Stewart, Chatham and southern Islands [ACFMAnE.]
 
Pachykellya rotunda Powell, 1927
Width 1.5mm, Height 1.2mm
Off Puysegur Point, Fiordland. Off Snares Island [FAnE.]
 

Genus: Puyseguria

 
Puyseguria cuneata Powell, 1927
Width 1.7mm, Height 1.3mm
Off Puysegur Point, Fiordland to Stewart Island [FE.]
 
Puyseguria prognata Powell, 1927
Width 1.3mm, Height 1.3mm
Off Puysegur Point, Fiordland [FE.]
 
Puyseguria tani Powell, 1939
Width 1.3mm, Height 1.2mm
Stewart Island. In shell sand [FE.]
 
Puyseguria wanganuica Powell, 1931
[E.]