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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 =
E =
I =
Bivalvia - Anomalodesmata - Pholadomyoida - Family: Cuspidariidae



Genus: Austroneaera

Width 4.4mm, Height 2.9mm, Endemic
Off Three Kings Islands, East Cape and Fiordland [AFE.]
Austroneaera brooki Marshall, 2002
Length 6.6mm, Endemic
Off Raoul Island, Kermadec Islands, 82-274 metres [K.E.]
Austroneaera finlayi Powell, 1937
Width 3.5mm, Height 2.5mm, Endemic
North Island. Off Northland to Bay of Plenty [AE.]
Length 3.8mm, Endemic
Kermadec Islands [K.E.]
Austroneaera tangaroa Marshall, 2002
Length 2.5mm
Norfolk Island, Wanganella Bank, West Norfolk Ridge, and Middlesex Bank, 143-437 metres [A]

Genus: Cardiomya

Cardiomya bruuni Dell, 1956
Width 14mm, Height 7.8mm, Endemic
Tasman Sea, off West Coast South Island 610 metres [CE.]
Width 14mm, Height 8.5mm, Endemic
South Island. Off Taiaroa Heads, Otago, 550 metres [FE.]

Genus: Cuspidaria

Cuspidaria delli Knudsen, 1970
Length 17.6mm, Height 9.4mm, Endemic
Tasman Sea, 4400 metres [FE.]
Width 60mm, Height 26mm, Endemic
North, South and Chatham Islands, and Chatham Rise. Trawled around 130-650 metres [ACFME.]
Width 25mm, Height 16mm, Endemic
South Island. Off eastern Otago and Chatham Islands, trawled around 240-550 metres [FME.]
Width 4.2mm, Height 2.7mm, Endemic
Off Chatham Islands, trawled 240 metres [ME.]
Cuspidaria tuhua Dell, 1962
Width 15mm, Height 11mm, Endemic
Off Northland to Bay of Plenty, trawled around 500 metres [AE.]
Cuspidaria willetti Fleming, 1948
Width 22mm, Height 10mm, Endemic
North, South and Chatham Islands. Dredged around 25-60 metres [ACFME.]

Genus: Myonera

Myonera tasmanica (Knudsen, 1970)
Length 24.3mm, Height 15.5mm, Endemic
Tasman Sea, about 4400 m [FE.]

Genus: Plectodon

Plectodon lepidus Marshall, 2002
Length 6.1mm, Endemic
North-eastern North Island, 46-83 metres. Off Rangaunu Bay to White Island, Bay of Plenty [AE.]
Plectodon pruinosus Marshall, 2002
Length 6.2mm, Endemic
Off Three Kings Islands and off Spirits Bay, Far North, 98-710 metres [AE.]
Plectodon regalis Marshall, 2002
Length 6.1mm, Endemic
Off Three Kings Islands, 88-805 metres [AE.]

Genus: Pseudogrippina

Length 2.8mm, Endemic
Wanganella Bank, southern Norfolk Ridge, 133-437 metres [AE.]

Genus: Pseudoneaera

Pseudoneaera wellmani (Fleming, 1948)
Width 7mm, Height 5mm, Endemic
North and South Island, dredged around 7-60 metres [ACFE.]

Genus: Rhinoclama

Rhinoclama aupouria (Dell, 1950)
Width 18mm, Height 11mm, Endemic
Off Three Kings Islands, North Cape, Bay of Plenty and East Cape [AE.]
Rhinoclama trailli (Hutton, 1873)
Length 20mm, Height 12mm, Endemic
North, South and Stewart Island. Dredged around 9-200 metres [ACFAnE.]