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Taxonomy
Family: Subfamily:
CASSIDAE: CASSINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Tonnoidea (Superfamily)
> Cassidae (Family)
> Cassinae (Subfamily)
> Galeodea (Genus)
> triganceae (Species)
Images: Galeodea triganceae Dell, 1953
Trawled in 430 metres, off Auckland Islands, NZ. 46mm
Dredged in 450 metres, Chatham Rise, NZ
Holotype, collected Aug 1970, off Mayor Island, NZ (M.040001). © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family: Subfamily:
CASSIDAE: CASSINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Tonnoidea (Superfamily)
> Cassidae (Family)
> Cassinae (Subfamily)
> Galeodea (Genus)
> triganceae (Species)
Details: Galeodea triganceae Dell, 1953
Size/Grows to:
Height 55mm, Width 35mm
Distribution:
Off North, South, Stewart and Chatham Islands
Geographical Range:
ACFM
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Spurgeon, A.M., Burch, K.W., Carson, K., Walton, K., Plaisted, J. Nov/2017 Notes on NZ Collected Species, Cookia, 29 (p.13)
  • Beu, A.G. 2008 Recent deep-water Cassidae of the world. A revision of Galeodea, Oocorys, Sconsia, Echinophoria and related taxa, with new genera and species (Mollusca, Gastropoda). In Héros, V., Cowie, R.H. & Bouchet, P. (eds), Tropical Deep-Sea Benthos 25, Mémoires du Muséum National d'Histoire Naturelle, 196 (p.318)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.161)
  • Dell, R.K. 1953 A recent species of Galeodea (Mollusca, Gastropoda) in New Zealand, Records of the Dominion Museum, 2 (p.51) 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