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Taxonomy
Family:
RASTODENTIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Cingulopsoidea (Superfamily)
> Rastodentidae (Family)
> Rastodens (Genus)
> pseudomarginata (Species)
Images: Rastodens pseudomarginata Ponder, 1966
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Taxonomy
Family:
RASTODENTIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Cingulopsoidea (Superfamily)
> Rastodentidae (Family)
> Rastodens (Genus)
> pseudomarginata (Species)
Details: Rastodens pseudomarginata Ponder, 1966
Size/Grows to:
Height 1.66mm, Width 0.9mm
Distribution:
Lower South Island, Foveaux Strait, Stewart and Snares Islands
Geographical Range:
FAn
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.118)
  • Ponder, W.F. 1966 A new Family of the Rissoacea from New Zealand, Records of the Dominion Museum, 5(18) (p.180) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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