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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 - Autobranchia - Pectinida - Family: Pectinidae

Pectinidae: Pectininae

 

Genus: Annachlamys

 
Annachlamys iredalei (Powell, 1958)
Coral Sea, New Caledonia, Lord Howe Island, Norfolk Island, and Kermadec Islands, 15-183 metres [K.]
 

Genus: Hyalopecten

 
Hyalopecten hadalis (Knudsen, 1970)
Height 13.2mm
Off Lord Howe Island, Kermadec Trench and Hikurangi Trench, 1808-6730 metres [K.]
 

Genus: Pecten

 
Width 175mm, Height 150mm, Queen Scallop
North, South, Stewart and Chatham Islands [ACFME.]
Pecten raoulensis Powell, 1958
Raoul and Curtis Islands, Kermadec Islands, 42-146 metres [K.E.]
 

Pectinidae: Camptonectinae

 

Genus: Ciclopecten

 
Ciclopecten fluctuatus (Bavay, 1905)
Height 5.45mm
Andaman Sea, Indonesia, Vanuatu, Loyalty Islands, and Kermadec Ridge, 225-566 metres [K.]
 

Genus: Delectopecten

 
Width 18mm, Height 19mm
North and South Island, and Chatham Rise. Trawled from 350-1550 metres [ACFM]

Pectinidae: Chlamydinae

 

Genus: Austrochlamys

 
Height 108mm
South-eastern South America and off Auckland Islands, southern New Zealand, 125-960 metres [An]
 

Genus: Cryptopecten

 
Cryptopecten bullatus (Dautzenberg & Bavay, 1912)
Height 30mm
SW Indian Ocean, SE Africa, Japan, E China Sea, Philippines, Indonesia, E Australia, New Caledonia, Vanuatu, Hawaiian Islands, Lord Howe Island, Norfolk Ridge, and Kermadec Islands, 64-608 metres [K.]
 

Genus: Mimachlamys

 
Mimachlamys sanguinea (Linnaeus, 1758) (=senatoria Gmelin, =asperrimoides Powell)
Red Sea, Indo-West Pacific, Norfolk Island, and Kermadec Islands, NZ Far North [K.A]

Genus: Pascahinnites

 
Height 21mm
Indo-West Pacific, Kermadec Islands, 0-82 metres [K.]
 

Genus: Talochlamys

 
Talochlamys dichroa (Suter, 1909) (=consociata Smith, =taiaroa Powell)
Width 27mm, Height 30mm
North, South, Chatham and southern Islands. In cod stomachs and trawled around 50-800 metres [K.ACFMAnE.]
Talochlamys gemmulata (Reeve, 1853)
Width 68mm, Height 73mm
North, South, Stewart and Chatham Islands. Trawled around 20-300 metres [ACFME.]
Talochlamys zelandiae (Gray, 1843) (=dieffenbachi Reeve, =zeelandona Hertlein, =suprasilis Finlay)
Width 55mm, Height 58mm, Fan Shell
North, South, Stewart, Chatham and southern Islands. From low tide under rocks to over 40 metres. Often encased in sponge [ACFMAnE.]

Genus: Veprichlamys

 
Width 27mm, Height 30mm
Southern New Caledonia, and New Zealand, 263-1130 metres [ACFM]

Genus: Zygochlamys

 
Zygochlamys delicatula (Hutton, 1873) (=subantarctica Hedley)
Width 60mm, Height 60mm
Off south-eastern South Island, Auckland, Campbell and Macquarie Islands [CFMAn]

Pectinidae: Palliolinae

 

Genus: Mesopeplum

 
Mesopeplum convexum (Quoy & Gaimard, 1835)
Width 55mm, Height 50mm
Three Kings Islands, North, South, Stewart and Chatham Islands. Dredged to over 250 metes [ACFME.]

Genus: Pseudamussium

 
Pseudamussium challengeri (E.A.Smith, 1891)
Height 8.1mm
Off Hokianga, Mayor Island, Challenger Plateau, Westport and Greymouth, 570-1029 metres. Also South eastern Australia, Tasman Sea [AC]