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Taxonomy
Family: Subfamily:
PYRAMIDELLIDAE: TURBONILLINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Pyramidelloidea (Superfamily)
> Pyramidellidae (Family)
> Turbonillinae (Subfamily)
> Pyrgiscus (Genus)
> otakauicus (Species)
Genus Synonyms:
=Ortostelis Aradas & Maggiore, 1841
=Pyrgiscilla Laws, 1937
=Pyrgisculus Monterosato, 1884
=Pyrgiscus (Pyrgiscus) Philippi, 1841
=Pyrgostelis Monterosato, 1884
=Turbonilla (Pyrgisculus) Monterosato, 1884
=Turbonilla (Pyrgiscus) Philippi, 1841
=Turbonilla (Pyrgostelis) Monterosato, 1884
Synonymised Names:
=Pyrgiscilla otakauica Laws, 1937
Images: Pyrgiscus otakauicus (Laws, 1937)
Holotype, dredged in 4-7metres, Dunedin Harbour, Otago, NZ (MA70656). 5mm. © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
PYRAMIDELLIDAE: TURBONILLINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Pyramidelloidea (Superfamily)
> Pyramidellidae (Family)
> Turbonillinae (Subfamily)
> Pyrgiscus (Genus)
> otakauicus (Species)
Genus Synonyms:
=Ortostelis Aradas & Maggiore, 1841
=Pyrgiscilla Laws, 1937
=Pyrgisculus Monterosato, 1884
=Pyrgiscus (Pyrgiscus) Philippi, 1841
=Pyrgostelis Monterosato, 1884
=Turbonilla (Pyrgisculus) Monterosato, 1884
=Turbonilla (Pyrgiscus) Philippi, 1841
=Turbonilla (Pyrgostelis) Monterosato, 1884
Synonymised Names:
=Pyrgiscilla otakauica Laws, 1937
Details: Pyrgiscus otakauicus (Laws, 1937)
Size/Grows to:
Height 5mm, Width 1.5mm
Distribution:
Dunedin Harbour, 3-7 metres
Geographical Range:
F
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.259)
  • Laws, C.R. 1937 Review of the Tertiary and Recent Neozelanic Pyramidellid Molluscs. No. 3 - Further Turbonillid Genera, Transactions and Proceedings of the Royal Society of New Zealand, 67 (p.175) 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
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