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Species List for Family: Thraciidae
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Mollusca (Phylum) > Bivalvia (Class) > Autobranchia (Subclass) > Heteroconchia (Infraclass) > Euhetrodonta (Subterclass) > Anomalodesmata (Superorder) > Thracioidea (Superfamily) > Thraciidae (Family)
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  • Family: Thraciidae

  • Asthenothaerus maxwelli B.A. Marshall, 2002
    Length 46mm
    Marine, Native - Endemic
    North, South, Stewart, Auckland, Antipodes and Chatham Islands, 0-293 metres
    ACFMAn
  • Barythaerus biconvexus (Powell, 1927)
    Width 2.9mm, Height 2mm
    Marine, Native - Endemic
    Southern South Island and Stewart Island. From approx. 20-180 metres
    F
  • Barythaerus cuneatus (Powell, 1937)
    Width 5.5mm, Height 3.7mm
    Marine, Native - Endemic
    Middlesex and King Banks, Three Kings Islands and off Cape Reinga. From approx. 50-800 metres
    A
  • Parvithracia ampla B.A. Marshall, 2002
    Width 3mm, Height 2.5mm
    Marine, Native - Endemic
    Off Three Kings Islands, North, South Islands and Chatham Rise. Trawled around 35-1000 metres
    ACFM
  • Parvithracia fragilissima B.A. Marshall, 2002
    Length 7.9mm
    Marine, Native - Endemic
    Challenger Plateau and south-eastern South Island. Approx. 420-1390 metres
    CF
  • Parvithracia melchior B.A. Marshall, 2002
    Length 11.5mm
    Marine, Native - Non-endemic
    Middlesex Bank, Three Kings Islands and off Cape Reinga. Approx 90-800 metres. Also off Norfolk Island
    A
  • Parvithracia suteri (Finlay, 1927)
    Width 5mm, Height 4.8mm
    Marine, Native - Endemic
    North, South, Stewart and Auckland Islands and Chatham Rise. Trawled in around 140-475 metres
    ACF
  • Thracia meridionalis E.A. Smith, 1885
    Marine, Native - Non-endemic
    Curcum-Antarctic, South-eastern South Island
    F
  • Thracia vegrandis Marshall & Murdoch, 1919
    Width 25mm, Height 17mm
    Marine, Recent, Fossil, Native - Endemic
    North, South, Auckland, Campbell, Antipodes and Chatham Islands. Dredged from around 10 to over 50 metres
    ACFMAnR.Fo.
  • Thracia vitrea (Hutton, 1873)
    Width 25mm, Height 17mm
    Marine, Native - Endemic
    North-eastern and south-western North Island, northern and eastern South Island, and Stewart Island. Dredged around 15-140 metres
    ACF
  • Trigonothracia mimica B.A. Marshall, 2002
    Width 4mm, Height 4mm
    Marine, Native - Endemic
    Northern North Island, southern South Island and Chatham Islands
    ACFM
Key to Geographical Ranges
NZ Map showing 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 approximation 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
R =
Recent
Sf =
Subfossil
Fo =
Fossil