Species Images
Bland Bay, Northland. Hermit crab in rock pool. 33.5mm
Tokerau Beach, Northland
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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 =
E =
I =

Casmaria perryi (Iredale, 1912)

Classification:Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > Littorinimorpha (Order) > Tonnoidea (Superfamily) > Cassidae (Family) > Phaliinae (Subfamily) > Casmaria (Genus)
Size/Grows to:Height 53mm, Width 27mm
Distribution:SE Australia, Kermadec Islands and Northland east coast
Geographical Range:[K.A]
References and Publications:
  • Buijse, J.A., Dekker, H., Verbinnen, G. 2013: On the identity of Casmaria species (Gastropoda, Cassidae), with description of two new species, Acta Conchyliorum, 14 (p.18)
  • Bracegirdle, S. Nov/2003: Ohiwa and Opape Beaches, Bay of Plenty, Cookia, 15 (p.24)
  • 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.160)
  • Powell, A.W.B. 1976: On the considerable influx of warm water molluscs that have invaded northern New Zealand waters within recent years, Records of the Auckland Institute and Museum, 13 (p.149)
  • Mitchener, G. Sep/1967: Casmaria perryi, Poirieria, 4(2)
  • Iredale, T. 1912: New generic names and new species of marine Mollusca, Proceedings of the Malacological Society of London, 10(3) (p.227)

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