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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 =
Gastropoda - Caenogastropoda - Neogastropoda - Family: Drilliidae



Genus: Iredalea

Length 6mm
Australia, Queensland, Kermadec Islands [K.]

Genus: Splendrillia

Splendrillia aoteana Finlay, 1930
Height 18mm, Width 7mm, Endemic
North, South and Stewart Island. Trawled 20-110 metres [ACFE.]
Splendrillia armata Powell, 1942
Fossil, Endemic
East Otago, described as fossil [FE.]
Height 25mm, Width 9.5mm, Endemic
Off eastern Otago to Chatham Rise, 360-530 metres [CFME.]
Splendrillia campbellensis Sysoev & Kantor, 1989
Height 14.6mm, Width 5.0mm, Endemic
Antipodes Islands [AnE.]
Splendrillia chathamensis Sysoev & Kantor, 1989
Height 10.5mm, Width 4.3mm, Endemic
Chatham Islands [ME.]
Splendrillia debilis Finlay, 1927
Height 8mm, Width 3.5mm, Endemic
North, South and Stewart Island. 25-110 metres [ACFE.]
Height 18mm, Width 6mm, Endemic
Otago to Chatham Rise 180 metres [CE.]
Height 12mm, Width 4mm, Endemic
Off eastern Otago, 550 metres [FE.]
Height 17mm, Width 5.5mm, Endemic
Off Chatham Rise 550 metres [ME.]
Splendrillia kingmai Marwick, 1965
Fossil, Endemic
Central & South, described as fossil [CFE.]
Splendrillia larochei Powell, 1940
Height 16mm, Width 3mm, Endemic
Off Three Kings Islands, off Awanui Heads, Rangaunu Bay [AE.]
Height 28mm, Width 11mm, Fossil, Endemic
Described as fossil [CE.]
Height 7.5mm, Width 3mm, Endemic
Bay of Plenty, Off Oamaru, Otago and Stewart Island [AFME.]
Height 17mm, Width 6mm, Endemic
Off Chatham Islands, 235 metres [FME.]
Height 9mm, Width 3.2mm, Endemic
Off Chatham Islands, NE of Kaingaroa, 220-230 metres [ME.]
Height 18 mm, Width 8.5mm, Endemic
Off South Island. Pegasus Canyon, North Canterbury [CE.]

Genus: Splendrillia (Hauturua)

Height 10mm, Width 3.3mm, Endemic
Off North and South Islands. Chatham Rise [ACFME.]