Species Images
Colour variations, trawled off eastern South Island. 66mm
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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 =

Zygochlamys delicatula (Hutton, 1873)

Classification:Mollusca (Phylum) > Bivalvia (Class) > Pteriomorphia (Subclass) > Pectinida (Order) > Pectinoidea (Superfamily) > Pectinidae (Family) > Pedinae (Subfamily) > Zygochlamys (Genus)
Size/Grows to:Width 60mm, Height 60mm
Synonyms:(=Psychrochlamys Jonkers)
(=subantarctica Hedley)
Distribution:Off south-eastern South Island, Auckland, Campbell and Macquarie Islands
Geographical Range:[CFMAn]
References and Publications:
  • Dijkstra, H., Marshall, B.A. 2008: The Recent Pectinoidea of the New Zealand region (Mollusca: Bivalvia: Propeamussiidae, Pectinidae and Spondylidae), Molluscan Research, 28 (p.63)
  • Hayward, B.W., Morley, M.S. 2005: Zonation and biogeography of the intertidal biota of Subantarctic Campbell and Auckland Islands, New Zealand, Records of the Auckland Institute and Museum, 42 (p.30)
  • Beu, A.G. 1999: Fossil records of the cold-water scallop Zygochlamys delicatula (Mollusca: Bivalvia) off northernmost New Zealand. How cold was the Last Glacial maximum?, New Zealand Journal of Geology and Geophysics, 42(4) (p.543)
  • Beu, A.G. 1985: Pleistocene Chlamys patagonica delicatula (Bivalvia: Pectinidae) off southeastern Tasmania, and history of its species group in the Southern Ocean, South Australian Department of Mines and Energy, 5 (p.4)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.379)
  • Pantin, H.M. 1963: The significance of a living Chlamys delicatula (Mollusca: Bivalvia) from Cook Strait, New Zealand Journal of Science, 6(4) (p.507)

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