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Taxonomy
Family:
EATONIELLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Cingulopsoidea (Superfamily)
> Eatoniellidae (Family)
> Eatoniella (Genus)
> dilatata (Species)
Genus Synonyms:
=Cerostraca W.R.B. Oliver, 1915
=Dardania Hutton, 1882
=Dardanula Iredale, 1915
=Eatonia E.A. Smith, 1875
=Eatoniella (Abscindostoma) Ponder, 1965
=Eatoniella (Albitoniella) Ponder, 1965
=Eatoniella (Albosabula) Ponder, 1965
=Eatoniella (Caveatoniella) Ponder, 1965
=Eatoniella (Cerostraca) W.R.B. Oliver, 1915
=Eatoniella (Dardaniopsis) Ponder, 1965
=Eatoniella (Dardanula) Iredale, 1915
=Eatoniella (Eatoniella) Dall, 1876
=Eatoniella (Pellax) Finlay, 1926
=Pellax Finlay, 1926
=Rissoina (Eatoniella) Dall, 1876
Synonymised Names:
=Notosetia dilatata Powell, 1955
Images: Eatoniella dilatata (Powell, 1955)
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Taxonomy
Family:
EATONIELLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Cingulopsoidea (Superfamily)
> Eatoniellidae (Family)
> Eatoniella (Genus)
> dilatata (Species)
Genus Synonyms:
=Cerostraca W.R.B. Oliver, 1915
=Dardania Hutton, 1882
=Dardanula Iredale, 1915
=Eatonia E.A. Smith, 1875
=Eatoniella (Abscindostoma) Ponder, 1965
=Eatoniella (Albitoniella) Ponder, 1965
=Eatoniella (Albosabula) Ponder, 1965
=Eatoniella (Caveatoniella) Ponder, 1965
=Eatoniella (Cerostraca) W.R.B. Oliver, 1915
=Eatoniella (Dardaniopsis) Ponder, 1965
=Eatoniella (Dardanula) Iredale, 1915
=Eatoniella (Eatoniella) Dall, 1876
=Eatoniella (Pellax) Finlay, 1926
=Pellax Finlay, 1926
=Rissoina (Eatoniella) Dall, 1876
Synonymised Names:
=Notosetia dilatata Powell, 1955
Details: Eatoniella dilatata (Powell, 1955)
Size/Grows to:
Height 1.05mm, Width 0.78mm
Distribution:
North and South Island east coasts. Stewart, Snares and Chatham Islands
Geographical Range:
ACFMAnE.
Notes:
Marine, Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.92)
  • Powell, A.W.B. 1955 Mollusca of the southern islands of New Zealand., Department of Scientific and Industrial Research Cape Expedition Series Bulletin, 15 (p.86) Original Description

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