Species List for Family: Trochidae
toggle list/grid view >
Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Subclass) > Trochida (Order) > Trochoidea (Superfamily) > Trochidae (Family)
Filter region: 
(greyed out images not recorded from filtered region)
Click here to filter list on Geographical RangeFamily: Trochidae
- Cantharidus antipodum (Hombron & Jacquinot, 1854)
Width 12mm, Height 10mm
Marine, Native - Endemic
South Island, Otago to Stewart Island, Snares, Campbell, Auckland and Antipodes Islands. Under kelp holdfasts
FAn
- Cantharidus capillaceus (Philippi, 1848)
Height 28mm, Width 20mm
Marine
Auckland, Campbell and Antipodes Islands
An
- Cantharidus dilatatus (G.B. Sowerby II, 1870)
Height 9mm, Width 8mm
Marine, Native - Endemic
North, South, Stewart and Chatham Islands. On kelp at low tide to about 5 metres
ACFM
- Cantharidus festivus (B.A. Marshall, 1998)
Height 6.2mm
Marine, Native - Endemic
Off Three Kings Islands and off Cape Reinga, Far North, 13-88 metres
A
- Cantharidus fulminatus (Hutton, 1873)
Width 8mm, Height 8mm
Marine, Native - Endemic
Chatham Islands, intertidal to shallow water
M
- Cantharidus opalus (Martyn, 1784)
Height 53mm, Width 39mm
Opal Top Shell, Marine, Native - Endemic
North, South, Stewart and Chatham Islands. Littoral to moderate depths
ACFM
- Cantharidus puysegurensis (Powell, 1939)
Width 5.5mm, Height 5.0mm
Marine, Native - Endemic, Distinct flattened base and wide umbilicus
South Island
CF
- Cantharidus turneri (Powell, 1939)
Width 9mm, Height 8mm
Marine, Native - Endemic
Southland, Stewart Island, Snares, Auckland and Campbell Islands. On seaweed covered rocks
FAn
- Micrelenchus burchorum B.A. Marshall, 1998
Height 26mm, Width 16mm
Marine, Native - Endemic
Off Three Kings Islands, 5-33 metres on algae. Middlesex Bank and King Bank, 7-805 metres
A
- Micrelenchus huttonii (E.A. Smith, 1876)
Height 11.5mm
Marine, Native - Endemic
Bay of Islands south, and Stewart Island. 0-7 metres, Inhabits sheltered waters, especially Zostera, sea-grass, on tidal flats and sheltered rock pools
ACF
- Micrelenchus purpureus (Gmelin, 1791)
Height 35mm, Width 21mm
Marine, Native - Endemic
North and South Island. On seaweed at low tide to about 120 metres
AC
- Micrelenchus sanguineus (Gray, 1843)
Height 8mm, Width 7mm
Marine, Native - Endemic
North, South and Stewart Island
ACF
- Micrelenchus tenebrosus A. Adams, 1853
Height 11mm, Width 10mm
Marine, Native - Endemic, Coastal, open water on seaweed and under kelp holdfasts
Southern North Island, South and Stewart Island. Under stones in coastal regions
ACF
- Micrelenchus tessellatus (A. Adams, 1851)
Height 9mm, Width 8mm
Marine, Native - Endemic
North, South, Stewart and Chatham Islands
ACF
- Roseaplagis artizona A. Adams, 1853
Height 8mm, Width 6mm
Marine, Native - Endemic
Southern North Island to Stewart Island
CF
- Roseaplagis caelatus Hutton, 1884
Height 6mm, Width 5mm
Marine, Native - Endemic
Otago to Stewart Island, Snares Islands
F
- Roseaplagis mortenseni (Odhner, 1924)
Height 7mm, Width 6mm
Marine, Native - Endemic
South Island. From Otago south to Stewart Island. Chatham, Auckland, Campbell, Antipodes and Bounty Islands. In beach drift. Living at 10-244 metres
CFMAn
- Roseaplagis rufozona A. Adams, 1853
Height 8mm, Width 7mm
Marine, Native - Endemic
North Island to Cook Strait. In shell sand
AC
- Fossarina rimata (Hutton, 1884)
Width 5mm, Height 4mm
Marine, Native - Endemic
Northern half of North Island, to Mahia
AC
- Diloma aethiops (Gmelin, 1791)
Width 38mm, Height 35mm
Marine, Native - Endemic
North, South, Stewart and Chatham Islands
ACFM
- Diloma aridum (Finlay, 1926)
Height 19mm, Width 17mm
Marine, Native - Endemic, Purplish-black with pale yellow flecks
Throughout New Zealand. Chatham and Auckland Islands. On sheltered mid-tidal rocks
ACFMAn
- Diloma bicanaliculatum (Dunker, 1845)
Width 18mm, Height 17mm
Marine, Native - Endemic
North, South and Stewart Island. Under stones at low tide
ACF
- Diloma coracinum (Philippi, 1851)
Width 12mm, Height 12mm
Marine, Native - Endemic
North and upper South Island
ACF
- Diloma durvillaea Spencer, Marshall & Waters, 2009
Width 13mm, Height 12mm
Marine, Native - Endemic
South Island. From Lyttelton Harbour south, under holdfasts & on blades of Durvillaea antarctica & adjacent rocks near low tide level
CFAn
- Diloma nigerrimum (Gmelin, 1791)
Height 30mm, Width 26mm
Marine
North, South, Stewart, Chatham, Three Kings and Auckland Islands. On kelp at mid/high tide
ACFMAn
- Diloma subrostratum (Gray, 1835)
Width 30mm, Height 30mm
Mudflat Top Shell, Marine, Native - Endemic
North, South and Stewart Island
ACF
- Diloma zelandicum (Quoy & Gaimard, 1834)
Width 32mm, Height 24mm
Marine, Native - Endemic
North, South and Stewart Island
ACF
- Stomatella oliveri (Iredale, 1912)
Length 11.75mm, Width 6.5mm, Height 3.5mm
Marine, Native - Endemic
Raoul Island, Kermadec Islands, living among rocks near low water to 45 metres
K - Clanculus atypicus Iredale, 1912
Width 9.5mm, Height 8mm
Marine, Native - Endemic
Kermadec Islands, low tide to 15 metres, under stones
K - Clanculus peccatus (Finlay, 1926)
Height 12mm, Width 12mm
Marine, Native - Endemic
Northland to East Cape. In beach drift and below low tide to over 25 metres
A
- Clanculus persicus Habe & Shikama, 1964
Width 25mm
Marine
Off Choshi, Chiba Prefecture, Honshu, Japan, and off Kermadec Islands 235-280 metres
K - Coelotrochus carinatus (B.A. Marshall, 1998)
Width 4.3mm, Height 3.8mm
Marine, Native - Endemic
Off Three Kings Islands, off Cape Reinga. Off White Island
A
- Coelotrochus carmesinus (Webster, 1908)
Width 8mm, Height 6mm
Marine, Native - Endemic
Northland to East Cape. Rare, under stones 5-20 metres, and in beach drift
A
- Coelotrochus chathamensis (Hutton, 1873)
Width 9mm, Height 7mm
Marine, Native - Endemic
Southern North Island, Stewart, Chatham and southern Islands
CFMAn
- Coelotrochus davegibbsi B.A. Marshall, 1998
Width 6.5mm
Marine, Native - Endemic
Off Three Kings Islands 18-123 metres, and north of Cape Reinga 88 metres
A
- Coelotrochus oppressus (Hutton, 1878)
Width 6mm, Height 5.5mm
Marine, Native - Endemic
Three Kings Islands, North Island to Mahia
AC
- Coelotrochus polychromus B.A. Marshall, 1998
Width 5.9mm
Marine, Native - Endemic
Off Three Kings Islands, 14-88 metres
A
- Coelotrochus rex (B.A. Marshall, 1998)
Width 5.8mm, Height 4.3mm
Marine, Native - Endemic
Off Three Kings Islands, 102-440 metres
A
- Coelotrochus tiaratus (Quoy & Gaimard, 1834)
Width 18mm, Height 15mm
Marine, Recent, Fossil, Native - Endemic
North, South and Stewart Island
ACFR.Fo.
- Coelotrochus viridis (Gmelin, 1791)
Width 30mm, Height 25mm
Marine, Recent, Fossil, Native - Endemic
North, South, Stewart and Chatham Islands
ACFMR.Fo.
- Tectus royanus (Iredale, 1912)
Width 102mm, Height 101mm
Marine, Native - Endemic
Raoul Island, Kermadec Islands, on rocks from low water to 6-8 metres, dead specimens to 29 metres
K
- Trochus camelophorus Webster, 1906
Width 13mm, Height 11mm
Marine, Native - Endemic
Off Three Kings Islands, Northland to East Cape. 0-228 metres and in beach drift
A
- Antisolarium egenum (Gould, 1849)
Width 7.5mm, Height 5.5mm
Marine, Recent, Fossil, Native - Endemic
North, South, Stewart and Chatham Islands. Shallow water to about 100 fathoms
ACFMR.Fo.
- Zethalia zelandica (Hombron & Jacquinot, 1855)
Width 26mm, Height 15mm
Wheel Shell, Marine, Native - Endemic
North, South, Stewart and Chatham Islands. Lower littoral to sublittoral
ACFM
- Kaiparathina fasciata B.A. Marshall, 1993
Marine, Native - Endemic
Wanganella Bank, southern Norfolk Ridge
A
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 approximation of the range of each species within New Zealand.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
Compare Species (
/6)
