Species Images
Washed up on the Northland east coast, NZ. 25mm
A carnivorous Gastropod found occasionally below low tide in the sand
Washed up in beach drift, Rarawa Beach, Far North, NZ
Recently Viewed
Key to 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 approxomation of the range of each species within New Zealand.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
FW =
L =
N =
North Island
S =
South Island
E =
I =

Mammilla simiae (Deshayes in Deshayes & Edwards, 1838)

Classification:Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > Littorinimorpha (Order) > Naticoidea (Superfamily) > Naticidae (Family) > Polinicinae (Subfamily) > Mammilla (Genus)
Size/Grows to:Height 30mm, Width 25mm
Distribution:Northland to East Cape. Also Kermadec and Norfolk Islands. In beach drift and alive from low tide
Geographical Range:KA
References and Publications:
  • Brook, F.J., Marshall, B.A. 1998: The coastal molluscan fauna of the northern Kermadec Islands, southwest Pacific Ocean, Journal of the Royal Society of New Zealand, 28 (p.220)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.156)
  • Powell, A.W.B. 1935: Gastropods new to the New Zealand Fauna; with descriptions of six new Species and a new Subspecies, Transactions and Proceedings of the Royal Society of New Zealand, 64 (p.156)
  • Oliver, W.R.B. 1914: The Mollusca of the Kermadec Islands, Transactions and Proceedings of the New Zealand Institute, 47 (p.524)

Note: Localities are approximate, and represent only some of the known localities for the species.

*2 © Museum of New Zealand Te Papa Tongarewa CC BY-NC-ND