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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.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
FW =
L =
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Bivalvia - Heterodonta - Carditida - Family: Condylocardiidae

Condylocardiidae: Condylocardiinae


Genus: Benthocardiella

Width 0.9mm, Height 0.9mm, Endemic
Northland. Off Mangonui Heads, 10-20 metres [AE.]
Width 1.1mm, Height 0.8mm, Endemic
North Island. Off east coast Northland [AE.]
Width 0.9mm, Height 0.8mm, Endemic
Off Bounty Islands, 250 metres [AnE.]
Width 1.2mm, Height 0.9mm, Endemic
Chatham Islands. In shell sand and down to about 20 metres [ME.]
Width 1.1mm, Height 1.1mm, Endemic
North Island. Off east coast Northland to East Cape [AE.]
Width 0.8mm, Height 0.8mm, Endemic
North Island. Off east coast Northland and Taranaki [ACE.]
Width 1.2mm, Height 1.2mm, Endemic
Stewart Island. In shell sand [FE.]
Width 0.6mm, Height 0.6mm, Endemic
Off Auckland Islands, trawled in 155 metres [AnE.]

Genus: Condylocardia

Width 1.6mm, Height 1.5mm, Endemic
North, South, Stewart, Chathams, Snares and Auckland Islands. Dredged from 5 to over 300 metres [ACFMAnE.]
Width 1.5mm, Height 1.4mm, Endemic
South Island, Fiordland, and Chatham Islands [FME.]

Genus: Condylocuna

Condylocuna concentrica (Bernard, 1897)
Width 1mm, Height 1.1mm, Endemic
South Island, Stewart, Snares and Bounty Islands [CFMAnE.]
Condylocuna mernoo (Dell, 1952)
Width 1.3mm, Height 1.1mm, Endemic
Mernoo Bank, western Chatham Rise [CE.]
Condylocuna torquata (Marwick, 1928)
Width 1.8mm, Height 1.5mm, Endemic
Off Chatham Islands, dredged 18 metres [ME.]

Condylocardiidae: Carditellinae


Genus: Carditella

Carditella delli Crozier, 1966
Width 2.6mm, Height 2.3mm, Endemic
North of Three Kings Islands, trawled in 800 metres [AE.]

Condylocardiidae: Cuninae


Genus: Cuna

Cuna carditelloides (Suter, 1911)
Width 2.5mm, Height 3mm, Endemic
Off North, South, Chatham, Auckland and Campbell Islands [ACFMAnE.]
Cuna compressidens (Powell, 1933)
Width 1.3mm, Height 1.4mm, Endemic
North Island East Coast, Northland to East Cape [AE.]
Cuna laqueus (Finlay, 1927)
Width 2.6mm, Height 2.6mm, Endemic
South Island, Foveaux Strait, and Snares Islands [FAnE.]
Cuna manawatawhia (Powell, 1937)
Width 2.6mm, Height 2.9mm, Endemic
Off Three Kings Islands, Northland and Bay of Plenty [AE.]
Cuna mayi (Powell, 1930)
Width 1.8mm, Height 2.3mm, Endemic
North Island. Off Northland to Cook Strait and NW Nelson [ACE.]
Cuna mendica (Dell, 1952)
Width 1.8mm, Height 1.7mm, Endemic
Tasman Sea, west of North Island, in 980 metres [CE.]
Cuna waikukuensis (Powell, 1937)
Width 1.7mm, Height 1.9mm, Endemic
Off North Cape, trawled in 53 metres [AE.]