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Species List for Genus: Cosa
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Mollusca (Phylum) > Bivalvia (Class) > Pteriomorphia (Subclass) > Arcida (Order) > Limopsoidea (Superfamily) > Philobryidae (Family) > Cosa (Genus)
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  • Genus: Cosa

  • Cosa costata (F. Bernard, 1896)
    Width 2.5mm, Height 3.2mm
    Marine, Native - Endemic
    South, Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, Mernoo Bank and Pukaki Rise. Shallow water to about 180 metres
    CFMAn
  • Cosa dispar Powell, 1937
    Marine, Native - Endemic
    Middlesex and King Banks, Three Kings Islands and off Cape Reinga
    A
  • Cosa filholi (F. Bernard, 1897)
    Width 2.6mm, Height 3.3mm
    Marine, Native - Endemic
    South-western North Island, South, Stewart, Snares and Chatham Islands
    CFMAn
  • Cosa laevicostata Powell, 1933
    Width 1.8mm, Height 2.3mm
    Marine, Native - Endemic
    Three Kings Islands, off Cape Reinga, Spirits and Tom Bowling Bays, and Ranfurly Bank
    A
  • Cosa serratocostata Powell, 1933
    Height 2.8mm, Width 2.3mm
    Marine, Native - Endemic
    Three Kings Islands and northern North Island as far south as Bay of Islands
    A
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