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Taxonomy
Family: Subfamily:
MARGINELLIDAE: MARGINELLINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Volutoidea (Superfamily)
> Marginellidae (Family)
> Marginellinae (Subfamily)
> Dentimargo (Genus)
> cairoma (Species)
Genus Synonyms:
=Marginella (Dentimargo) Cossmann, 1899
=Marginella (Volvarinella) Habe, 1951
=Volvarinella Habe, 1951
Synonymised Names:
=Dentimargo cairoma aoteana (Powell, 1932)
=Marginella (Serrata) aoteana Powell, 1932
=Marginella aoteana Powell, 1932
=Marginella cairoma Brookes, 1924
=Volvarinella cairoma (Brookes, 1924)
Images: Dentimargo cairoma (Brookes, 1924)
Collected in shell-sand, Kaikoura, Canterbury, NZ
Holotype, collected Taipa Bay, Doubtless Bay, Northland, NZ (MA71277). © Auckland Museum (CC-BY)
Holotype of Marginella aoteana Powell 1932, dredged 22 metres, Rangaunu Bay, Northland, NZ (MA72086). © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
MARGINELLIDAE: MARGINELLINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Volutoidea (Superfamily)
> Marginellidae (Family)
> Marginellinae (Subfamily)
> Dentimargo (Genus)
> cairoma (Species)
Genus Synonyms:
=Marginella (Dentimargo) Cossmann, 1899
=Marginella (Volvarinella) Habe, 1951
=Volvarinella Habe, 1951
Synonymised Names:
=Dentimargo cairoma aoteana (Powell, 1932)
=Marginella (Serrata) aoteana Powell, 1932
=Marginella aoteana Powell, 1932
=Marginella cairoma Brookes, 1924
=Volvarinella cairoma (Brookes, 1924)
Details: Dentimargo cairoma (Brookes, 1924)
Size/Grows to:
Height 4.5mm, Width 2mm
Distribution:
Northland to Cook Strait, Kaikoura, and Chatham Islands
Geographical Range:
ACM
Notes:
Marine, Native - Endemic, White, often with narrow red bands at periphery
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.222)
  • Brookes, A.E. 1924 Descriptions of two new species of gasteropod shells, Transactions of the New Zealand Institute, 55 (p.154) Original Description

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

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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