Search
Taxonomy
Family: Subfamily:
MURICIDAE: RAPANINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Muricoidea (Superfamily)
> Muricidae (Family)
> Rapaninae (Subfamily)
> Agnewia (Genus)
> tritoniformis (Species)
Synonymised Names:
=Adamsia typica Dunker, 1857
=Agnewia nautica Thornley, 1952
=Purpura tritoniformis Blainville, 1832
=Purpura tritoniformis var. levidensis Kesteven, 1902
Images: Agnewia tritoniformis (Blainville, 1832)
From Spirits Bay, Far North. 27mm. © rights reserved
From shallow water, Northland, NZ. 22mm. © rights reserved
From shallow water, Northland, NZ. 22mm. © rights reserved
From shallow water, Northland, NZ. 22mm. © rights reserved
Taxonomy
Family: Subfamily:
MURICIDAE: RAPANINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Muricoidea (Superfamily)
> Muricidae (Family)
> Rapaninae (Subfamily)
> Agnewia (Genus)
> tritoniformis (Species)
Synonymised Names:
=Adamsia typica Dunker, 1857
=Agnewia nautica Thornley, 1952
=Purpura tritoniformis Blainville, 1832
=Purpura tritoniformis var. levidensis Kesteven, 1902
Details: Agnewia tritoniformis (Blainville, 1832)
Size/Grows to:
Height 29mm, Width 16mm
Distribution:
Eastern and southern Australia, Lord Howe Island and Norfolk Island, and nortrhern New Zealand. Three Kings Islands, Cape Maria van Diemen, and north-eastern North Island as far south as Mahia Peninsula
Notes:
Marine, Native - Non-endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.181)
  • Richardson, E.S. 1953 Distribution in New Zealand of the Australian Gastropod Agnewia tritoniformis (Blainville), New Zealand Journal of Science and Technology, 35(1) (p.39)

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
Recently Viewed