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Taxonomy
Family: Subfamily:
SEGUENZIIDAE: SEGUENZIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Seguenziida (Order)
> Seguenzioidea (Superfamily)
> Seguenziidae (Family)
> Seguenziinae (Subfamily)
> Hadroconus (Genus)
> diadematus (Species)
Images: Hadroconus diadematus B.A. Marshall, 1988
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Taxonomy
Family: Subfamily:
SEGUENZIIDAE: SEGUENZIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Seguenziida (Order)
> Seguenzioidea (Superfamily)
> Seguenziidae (Family)
> Seguenziinae (Subfamily)
> Hadroconus (Genus)
> diadematus (Species)
Details: Hadroconus diadematus B.A. Marshall, 1988
Size/Grows to:
Width 8.3mm, Height 5.8mm
Distribution:
Tasman Basin, east of Westport, dead in foraminiferal ooze, 1457-1463 metres
Geographical Range:
C
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A. 1988 New Seguenziidae (Mollusca: Gastropoda) from the Tasman, South Pacific, and Southern Antilles Basins, New Zealand Journal of Zoology, 15(2) (p.238) Original Description

*88 © NIWA

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