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Taxonomy
Family: Subfamily:
TURRITELLIDAE: TURRITELLINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> [unassigned] Caenogastropoda (Order)
> Cerithioidea (Superfamily)
> Turritellidae (Family)
> Turritellinae (Subfamily)
> Stiracolpus (Genus)
> symmetricus (Species)
Genus Synonyms:
=Zeacolpus (Stiracolpus) Finlay, 1926
Synonymised Names:
=Stiracolpus delli granti (Marwick, 1957)
=Stiracolpus delli murdochi (Marwick, 1957)
=Stiracolpus delli vellae (Marwick, 1957)
=Stiracolpus nanulus (Marwick, 1957)
=Stiracolpus robinae (Marwick, 1957)
=Stiracolpus shepherdi (Marwick, 1957)
=Turritella (Colpospira) patagonica G.B. Sowerby I, 1846
=Turritella (Eglisia) symmetrica Hutton, 1873
=Turritella chordata Suter, 1908
=Turritella symmetrica Hutton, 1873
=Zeacolpus (Stiracolpus) delli granti Marwick, 1957
=Zeacolpus (Stiracolpus) delli murdochi Marwick, 1957
=Zeacolpus (Stiracolpus) delli vellai Marwick, 1957
=Zeacolpus nanulus Marwick, 1957
=Zeacolpus robinae Marwick, 1957
=Zeacolpus shepherdi Marwick, 1957
=Zeacolpus symmetricus (Hutton, 1873)
Images: Stiracolpus symmetricus (Hutton, 1873)
In beach drift, Stewart Island, NZ. 20mm. © rights reserved
Taxonomy
Family: Subfamily:
TURRITELLIDAE: TURRITELLINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> [unassigned] Caenogastropoda (Order)
> Cerithioidea (Superfamily)
> Turritellidae (Family)
> Turritellinae (Subfamily)
> Stiracolpus (Genus)
> symmetricus (Species)
Genus Synonyms:
=Zeacolpus (Stiracolpus) Finlay, 1926
Synonymised Names:
=Stiracolpus delli granti (Marwick, 1957)
=Stiracolpus delli murdochi (Marwick, 1957)
=Stiracolpus delli vellae (Marwick, 1957)
=Stiracolpus nanulus (Marwick, 1957)
=Stiracolpus robinae (Marwick, 1957)
=Stiracolpus shepherdi (Marwick, 1957)
=Turritella (Colpospira) patagonica G.B. Sowerby I, 1846
=Turritella (Eglisia) symmetrica Hutton, 1873
=Turritella chordata Suter, 1908
=Turritella symmetrica Hutton, 1873
=Zeacolpus (Stiracolpus) delli granti Marwick, 1957
=Zeacolpus (Stiracolpus) delli murdochi Marwick, 1957
=Zeacolpus (Stiracolpus) delli vellai Marwick, 1957
=Zeacolpus nanulus Marwick, 1957
=Zeacolpus robinae Marwick, 1957
=Zeacolpus shepherdi Marwick, 1957
=Zeacolpus symmetricus (Hutton, 1873)
Details: Stiracolpus symmetricus (Hutton, 1873)
Size/Grows to:
Height 23mm, Width 7mm
Distribution:
Southern North Island as far north as Mahia, and South, Stewart and Chatham Islands, from 0-660m
Type Data:
  • Stewart Island, NZ, (lectotype of Zeacolpus symmetricus (Hutton, 1873), lectotype of Turritella (Eglisia) symmetrica Hutton, 1873)
Notes:
Marine, Native - Endemic, Always white
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.127)
  • Hutton, F.W. 1873 Catalogue of the Marine Mollusca of New Zealand, with diagnoses of the species, Dominion Museum (NZ) (p.30) Original Description

NZ Geographical Regions
Key to symbols used in Checklist.
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil