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

  • Cratis delicatula Powell, 1937
    Height 3mm, Width 2.4mm
    Marine, Native - Endemic
    Middlesex and King Banks, Three Kings Islands, off Cape Reinga and north-eastern North Island as far south-east as East Cape
    A
  • Cratis retiaria Powell, 1937
    Width 2.5mm, Height 3mm
    Marine, Native - Endemic
    Middlesex and King Banks, Three Kings Islands and NW of Cape Reinga
    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