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Taxonomy
Family: Subfamily:
TROCHIDAE: TROCHINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Trochidae (Family)
> Trochinae (Subfamily)
> Coelotrochus (Genus)
> chathamensis (Species)
Genus Synonyms:
=Anthora Gray, 1857
=Chlorostoma (Neozelandia) Cossmann, 1918
=Thorista Iredale, 1915
=Thoristella Iredale, 1915
=Trochus (Anthora) Gray, 1857
=Trochus (Coelotrochus) P. Fischer, 1879
=Trochus (Thorista) Iredale, 1915
Synonymised Names:
=Calliostoma aucklandicum E.A. Smith, 1902
=Polydonta chathamensis Hutton, 1873
=Thoristella chathamensis (Hutton, 1873)
=Thoristella chathamensis benthicola Finlay, 1926
=Thoristella chathamensis cookiana Powell, 1934
=Trochus (Infundibulum) oppressus var. dunedinensis Suter, 1897
=Trochus oppressus var. dunedinensis Suter, 1907
Images: Coelotrochus chathamensis (Hutton, 1873)
(dunedinensis form) - Under rocks, Stewart Island, NZ. 9mm
(aucklandica form) - From Enderby Island, Auckland Islands. 8mm
Holotype of Thoristella chathamensis cookiana Powell, collected Jan 1927, Island Bay, Wellington, NZ (MA70765). © Auckland Museum (CC-BY)
Holotype of Thoristella chathamensis cookiana Powell, collected Jan 1927, Island Bay, Wellington, NZ (MA70765). © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
TROCHIDAE: TROCHINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Trochidae (Family)
> Trochinae (Subfamily)
> Coelotrochus (Genus)
> chathamensis (Species)
Genus Synonyms:
=Anthora Gray, 1857
=Chlorostoma (Neozelandia) Cossmann, 1918
=Thorista Iredale, 1915
=Thoristella Iredale, 1915
=Trochus (Anthora) Gray, 1857
=Trochus (Coelotrochus) P. Fischer, 1879
=Trochus (Thorista) Iredale, 1915
Synonymised Names:
=Calliostoma aucklandicum E.A. Smith, 1902
=Polydonta chathamensis Hutton, 1873
=Thoristella chathamensis (Hutton, 1873)
=Thoristella chathamensis benthicola Finlay, 1926
=Thoristella chathamensis cookiana Powell, 1934
=Trochus (Infundibulum) oppressus var. dunedinensis Suter, 1897
=Trochus oppressus var. dunedinensis Suter, 1907
Details: Coelotrochus chathamensis (Hutton, 1873)
Size/Grows to:
Width 9mm, Height 7mm
Distribution:
Southern North Island, Stewart, Chatham and southern Islands
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A. 1998 A review of the Recent Trochini of New Zealand (Mollusca: Gastropoda: Trochidae), Molluscan Research, 19 (p.84)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.59)
  • Hutton, F.W. 1873 Catalogue of the Marine Mollusca of New Zealand, with diagnoses of the species, Dominion Museum (NZ) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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