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Taxonomy
Family:
ANABATHRIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Truncatelloidea (Superfamily)
> Anabathridae (Family)
> Microdryas (Genus)
> striatus (Species)
Synonymised Names:
=Epigrus striatus Powell, 1927
Images: Microdryas striatus (Powell, 1927)
Collected in shell sand, Spirits Bay, Far North, NZ. 1.8mm
Holotype of Epigrus striatus Powell, collected in 1922, off Mangonui Head, Northland, NZ (MA72056). © Auckland Museum (CC-BY)
In shell sand, Spirits Bay, Far North, NZ
Taxonomy
Family:
ANABATHRIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Truncatelloidea (Superfamily)
> Anabathridae (Family)
> Microdryas (Genus)
> striatus (Species)
Synonymised Names:
=Epigrus striatus Powell, 1927
Details: Microdryas striatus (Powell, 1927)
Size/Grows to:
Height 1.8mm, Width 0.6mm
Distribution:
Off Three Kings Islands to Northland
Geographical Range:
AE.
Notes:
Marine, Endemic
Distribution Map
 
References and Publications
  • Ponder, W.F. 1983 Review of the genera of the Barleeidae (Mollusca: Gastropoda: Rissoacea), Records of the Australian Museum, 35 (p.253)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.103)
  • Powell, A.W.B. 1927 The genetic relationships of Australasian rissoids. Part 1. Descriptions of new recent genera and species from New Zealand and the Kermadec Islands, Transactions and Proceedings of the New Zealand Institute, 57 (p.545) 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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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