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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
E =
Endemic
I =
Introduced
Bivalvia - Heterodonta - Veneroida - Family: Veneridae

Veneridae: Venerinae

 

Genus: Dosina

 
Dosina crebra (Hutton, 1873)
Width 45mm, Height 40mm, Endemic. Chevron pattern
North Island [ACE.]
Dosina mactracea (Broderip in Broderip & G.B.Sowerby, 1835) (=zelandica Gray)
Length 66mm, Height 50mm, Endemic. Coarse ridges, and rust on surface
North and South Island. From low tide to about 120 metres [ACFE.]

Genus: Globivenus

 
Globivenus toreuma (Gould, 1850)
Kermadec Islands [K.]
 

Veneridae: Callocardiinae

 

Genus: Notocallista (Striacallista)

 
Width 30mm, Height 22mm, Endemic
North, South and Stewart Island. Dredged around 10-180 metres [ACFE.]

Genus: Pitar

 
Pitar sp. cf. affinis (Gmelin, 1791)
Kermadec Islands [K.]
 

Veneridae: Chioninae

 

Genus: Austrovenus

 
Austrovenus stutchburyi (Wood, 1828) (=aucklandica Powell)
Width 60mm, Height 54mm, Cockle. Endemic
North, South, Stewart and Chatham Islands [ACFMAnE.]

Genus: Bassina (Callanaitis)

 
Width 55mm, Height 42mm, Frilled Venus Shell. Endemic
North, South and Stewart Island [ACFE.]

Genus: Leukoma

 
Leukoma crassicosta (Deshayes, 1835)
Width 50mm, Height 40mm, Endemic
North, South, Stewart and Chatham Islands [ACFME.]

Genus: Tawera

 
Tawera marionae Finlay, 1928
Length 33mm, Height 28mm, Endemic
Off Otago and Chatham Islands [FME.]
Tawera mawsoni (Hedley, 1916)
Width 40mm, Height 32mm, Endemic
Off Macquarie Island [AnE.]
Tawera phenax Finlay, 1930
Width 58mm, Height 52mm, Endemic
South Island, off Taiaroa Head, Otago. Snares and Auckland Islands. Dredged around 90-100 metres [FAnE.]
Tawera rosa Powell, 1955
Width 48mm, Height 42mm, Endemic
Auckland Islands [AnE.]
 
Tawera sphaericula Deshayes, 1853 (=bollonsi Powell)
Width 36mm, Height 35mm, Endemic
Auckland Islands, dredged 15-65 metres [AnE.]
 
Tawera spissa (Deshayes, 1835)
Width 27mm, Height 22mm
North, South, Stewart and Chatham Islands. Common on sandy beaches [ACFM]

Veneridae: Dosiniinae

 

Genus: Dosinia (Austrodosinia)

 
Width 77mm, Height 70mm, Endemic
North Island and northern part of South Island [ACE.]

Genus: Dosinia (Fallartemis)

 
Width 32mm, Height 28mm, Endemic. Very fine smooth sculpture. Found on sheltered sandy beaches
North Island and northern part of South Island [ACFE.]

Genus: Dosinia (Kereia)

 
Width 50mm, Height 46mm, Endemic. Coarse sculpture
North Island and northern part of South Island. Dredged in soft mud around 10-15 metres [ACE.]

Genus: Dosinia (Pectunculus)

 
Width 42mm, Height 40mm, Endemic
North, northern part of South Island and Chatham Islands [ACME.]

Genus: Dosinia (Phacosoma)

 
Width 57mm, Height 54mm, Endemic
North Island to Cook Strait [ACE.]

Veneridae: Tapetinae

 

Genus: Gomphinella

 
Gomphinella maorum E.A.Smith, 1902
Width 19mm, Height 15mm, Endemic
Three Kings Islands. Far North and Northland east coast. In beach drift [AE.]

Genus: Irus (Notirus)

 
Length 31mm, Height 24mm, Endemic
North, South Stewart and Chatham Islands. In holes in soft rock [ACFME.]

Genus: Irus (Notopaphia)

 
Irus (Notopaphia) elegans (Deshayes, 1854)
Width 46mm, Height 28mm, Endemic. Burrows in soft rock
North and South Island [ACFE.]

Genus: Venerupis (Ruditapes)

 
Width 70mm, Height 55mm, Endemic
North, South, Stewart, Chathams, Auckland and Campbell Islands [ACFMAnE.]