Clanculus atypicus Iredale, 1912
Width 9.5mm, Height 8mm
Marine, Native - Endemic, Low tide under stones
Kermadec Islands, from 0-15m

Clanculus peccatus (Finlay, 1926)
Height 12mm, Width 12mm
Marine, Native - Endemic, In beach drift, and below low tide
Middlesex and King Banks, Three Kings Islands, and northern North Island, as far south as Ahipara on the west coast and as far south-east as Ranfurly Bank on the east coast, from 0-805m

Clanculus persicus Habe & Shikama, 1964
Width 25mm
Marine, Native - Non-endemic
Southern Japan and northern New Zealand. Kermadec Ridge and Cavalli Seamount, from 220-630m

Coelotrochus carinatus (B.A. Marshall, 1998)
Width 4.3mm, Height 3.8mm
Marine, Native - Endemic
Middlesex and King banks, Three Kings Islands, off Cape Reinga and off White Island, from 14-228m

Coelotrochus carmesinus (Webster, 1908)
Width 8mm, Height 6mm
Marine, Native - Endemic
Northern North Island as far south-east as Ranfurly Bank, from 0-188m

Coelotrochus chathamensis (Hutton, 1873)
Width 9mm, Height 7mm
Marine, Native - Endemic
Southern North Island as far north as Titahi Bay, and South, Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, from 0-560m

Coelotrochus davegibbsi B.A. Marshall, 1998
Width 6.5mm
Marine, Native - Endemic
King Bank, Three Kings Islands, and north-eastern North Island as far south as Poor Knights Islands, from 4-123m

Coelotrochus oppressus (Hutton, 1878)
Width 6mm, Height 5.5mm
Marine, Native - Endemic
Three Kings Islands, and northern North Island as far south as Ahipara on the west coast and Mahia Peninsula on the east coast, from 0-88m

Coelotrochus polychromus B.A. Marshall, 1998
Width 5.9mm
Marine, Native - Endemic
Three Kings Islands and off Cape Reinga, from 14-88m

Coelotrochus rex (B.A. Marshall, 1998)
Width 5.8mm, Height 4.3mm
Marine, Native - Endemic
Middlesex Bank and Three Kings Islands, from 102-440m

Coelotrochus tiaratus (Quoy & Gaimard, 1834)
Width 18mm, Height 15mm
Marine, Recent, Fossil, Native - Endemic
North, South and Stewart Islands, from 0-450m

Coelotrochus viridis (Gmelin, 1791)
Width 30mm, Height 25mm
Marine, Recent, Fossil, Native - Endemic
North, South, Stewart and Chatham Islands, from 0-79m

Trochus camelophorus Webster, 1906
Width 13mm, Height 11mm
Marine, Native - Endemic
King Bank, Three Kings Islands, and north-eastern North Island as far south-east as Ranfurly Bank, from 0-188m