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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 =
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Gastropoda - Caenogastropoda - Sorbeoconcha - Family: Cerithiidae

Cerithiidae: Cerithiinae


Genus: Cerithium

Cerithium abditum Houbrick, 1992
Length 15.4mm, Width 4.5mm
Indo-West Pacific, from Philippines south through New Caledonia to the Kermadec Islands [K.]
Cerithium atromarginatum Dautzenberg & Bouge, 1933
Length 15.5mm, Width 6mm
Indo-Pacific region from east Africa to Hawaii and Easter Island. Kermadec Islands [K.]
Cerithium citrinum (G.B.Sowerby II, 1855)
Length 50mm, Width 19.6mm
East Africa, Madagascar, and southern India to Western Australia and Indian Ocean Islands. Western Pacific, Japan to Kermadec Islands [K.]
Cerithium columna (G.B.Sowerby I, 1834)
Length 50mm, Width 20.8mm
Mediterranean; Red Sea; Indo-West Pacific, Kermadec Islands [K.]
Cerithium echinatum Lamarck, 1822
Kermadec Islands [K.]
Cerithium matukense Watson, 1880
Length 70mm, Width 18mm
Western Pacific around the Philippines, Borneo, Guam, Fiji,
New Caledonia, and south to the Kermadecs
Cerithium nesioticum Pilsbry & Vanatta, 1906
Length 22mm
Red Sea, Indian Ocean, and throughout the Tropical Western Pacific. Kermadec Islands [K.]
Cerithium ophioderma (Habe, 1968)
Length 51mm
Western Central Pacific, Kermadec Islands. 50-275 metres [K.]
Tutukaka Harbour
Cerithium sp. cf. interstriatum G.B.Sowerby II, 1855
Kermadec Islands [K.]

Genus: Pseudovertagus

Pseudovertagus clava (Gmelin, 1791)
Kermadec Islands [K.]

Genus: Royella

Royella sinon (Bayle, 1880)
Length 29mm
Indo-Pacific, Japan to Lord Howe Island, Kermadec Islands [K.]

Cerithiidae: Bittiinae


Genus: Zebittium

Zebittium editum Powell, 1930
Height 6mm, Width 2mm, Endemic
Off Thee Kings and Poor Knights Islands [AE.]
Zebittium exile (Hutton, 1873)
Height 5.5mm, Width 2mm, Endemic
North, South and Stewart Island [ACFE.]
Zebittium laevicordatum (Powell, 1937)
Height 4mm, Width 1.5mm, Endemic
Off Three Kings Islands [AE.]