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Taxonomy
Family:
BORSONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Conoidea (Superfamily)
> Borsoniidae (Family)
> Maoritomella (Genus)
> ischna (Species)
Genus Synonyms:
=Narraweena Laseron, 1954
=Tomopleura T.L. Casey, 1904
Synonymised Names:
=Pleurotoma (Surcula) ischna R.B. Watson, 1881
=Pleurotoma ischna R.B. Watson, 1881
=Tomopleura ischna (R.B. Watson, 1881)
Images: Maoritomella ischna (R.B. Watson, 1881)
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Taxonomy
Family:
BORSONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Conoidea (Superfamily)
> Borsoniidae (Family)
> Maoritomella (Genus)
> ischna (Species)
Genus Synonyms:
=Narraweena Laseron, 1954
=Tomopleura T.L. Casey, 1904
Synonymised Names:
=Pleurotoma (Surcula) ischna R.B. Watson, 1881
=Pleurotoma ischna R.B. Watson, 1881
=Tomopleura ischna (R.B. Watson, 1881)
Details: Maoritomella ischna (R.B. Watson, 1881)
Size/Grows to:
Height 8.5mm, Width 2.25mm
Distribution:
East of East Cape, 1280 metres
Geographical Range:
A
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.234)
  • Watson, R.B. 1881 Mollusca of H.M.S. Challenger Expedition. Parts VIII, IX, X, Zoological Journal of the Linnean Society, 15 (p.403) 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
R =
Recent
Sf =
Subfossil
Fo =
Fossil