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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 =
N =
North Island
S =
South Island
E =
I =
Gastropoda - Vetigastropoda - (Vetigastropoda) - Family: Pseudococculinidae



Genus: Amphiplica

Amphiplica knudseni McLean, 1988
Length 8.4mm, Width 6.6mm, Height 3.5mm
Tasman Basin, W of South Island [CE.]

Genus: Caymanabyssia

Caymanabyssia rhina Marshall, 1985
Length 3.7mm, Width 2.8mm, Height 0.6mm
Off White Island, Bay of Plenty, 1070-1100 metres. Alive on wood [AE.]

Genus: Caymanabyssia (Dictyabyssia)

Length 2.4mm, Width 2mm, Height 0.5mm
White Island, Bay of Plenty, 1070-1100 metres, to Jackson Bay, Westland, 833-891 metres. Alive on wood [ACME.]

Genus: Colotrachelus

Colotrachelus hestica Marshall, 1985
Length 2.1mm, Width 1.8mm, Height 0.6mm
Off Castlepoint, 1198-1211 metres, and off Kaikoura, 1489-1723 metres. Alive on wood [CE.]

Genus: Copulabyssia

Copulabyssia gradata (Marshall, 1985)
Length 1.95mm, Width 1.45mm, Height 0.6mm
White Island, Bay of Plenty and East Cape, 1075-1280 metres. Alive on wood [AE.]

Genus: Kurilabyssia

Length 8.7mm, Width 6.4mm, Height 2.3mm
South Island. Off Timaru, on wood, 845-962 metres. Also off Port Jackson, New South Wales, Australia, 823 metres [F]

Genus: Mesopelex

Mesopelex zelandica Marshall, 1985
Length 3mm, Width 2.5mm, Height 1.1mm
Off Aldermen Islands, Bay of Plenty, alive in sediment 433-872 metres [AE.]

Genus: Notocrater

Notocrater craticulata (Suter, 1908)
Length 4mm, Width 3mm, Height 2mm
South Island. Off Timaru, and Dusky Sound 37-738 metres [FE.]
Notocrater gracilis Marshall, 1985
Length 2.5mm
Off Hicks Bay, East Cape [AE.]

Genus: Pseudococculina

Pseudococculina gregaria Marshall, 1985
Length 3.3mm
South Island, off Timaru to Chatham Rise. Also New South Wales. 384-714 metres [FM]

Genus: Tentaoculus

Length 3.2mm
Off Castlepoint, and western Chatham Rise, living within and feeding on spent skate egg cases, 1065-1335 metres [CME.]
Tentaoculus haptricola Marshall, 1985
Length 3mm, Width 2.2mm, Height 1.3mm
Off Castlepoint, 1070-1200 metres. Alive on Macrocystis holdfasts [CE.]
Tentaoculus lithodicola Marshall, 1985
Length 2.95mm, Width 2.05mm, Height 0.95mm
South Island. Off Kaikoura, 400 metres, living on Stone Crab carapace [CE.]
Length 2.95mm, Width 2mm, Height 0.95mm
Off Jackson Bay, South Island West Coast, 1027-1041 metres. Alive on carapace and legs of stone crab [CE.]