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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.
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
E =
Endemic
I =
Introduced
Gastropoda (Phylum) > Mollusca (Subphylum) > Caenogastropoda (Subclass) > Ptenoglossa (Order) > Epitonioidea (Superfamily) > Epitoniidae (Family)
Epitoniidae
 
Genus: Acirsamap >
Acirsa cookiana (Dell, 1956)
Height 10mm, Width 3.5mm, Endemic
North Island, Cook Strait and eastern South Island [AC]
Genus: Aloramap >
Alora billeeana (Du Shane & Bratcher, 1965)
Kermadec Islands [K.]
Genus: Amaea (Scalina)map >
Height 30mm
Kermadec Islands [K.]
Genus: Cirsotremamap >
Height 7mm, Width 3mm, Endemic
North Island, Hawkes Bay to Chatham Islands [CFM]
Cirsotrema zelebori (Dunker, 1866)
Height 30mm, Width 11mm, Wentletrap. Endemic
Three Kings Islands, North, South, Stewart and Chatham Islands [ACFM]
Genus: Claviscalamap >
Claviscala kuroharai Kuroda & Habe, 1961
Height 83mm Width 22.4mm
Off Three Kings Islands, Norfolk Islands, Japan. 200-730 metres [A]
Genus: Cycloscalamap >
Cycloscala sp. cf. hyalina (G.B.Sowerby II, 1844)
Kermadec Islands [K.]
Genus: Epitonium (Hyaloscala)map >
Height 14mm, Width 6mm, Wentletrap. Endemic
Northland to Mahia [AC]
Epitonium (Hyaloscala) jukesianum (Forbes, 1852) (=ampacta Iredale)
Height 13mm, Width 4mm, Wentletrap. Endemic
North Island to Cook Strait. Also Tasmania and from New South Wales to Western Australia [AC]
Genus: Epitonium (Lamelliscala)map >
Height 14mm, Width 5mm, Wentletrap. In shallow water on fine sand, in open coast situations
Northland east coast. Also New South Wales, Australia [AC]
Genus: Epitonium (Papyriscala)map >
Height 20mm, Width 9mm, Wentletrap. Endemic. In sheltered shallow water, on silty sand
Northland to Bay of Plenty, in silty sand. Also Queensland to Victoria, Australia [AC]
Genus: Gyroscala (Pomiscala)map >
Gyroscala (Pomiscala) lamellosa (Lamarck, 1822) (=Scalaria perplexa Pease, =coronatum Lamarck 1816?)
Height 32mm, Width 13mm, Umbilicus is closed, there is a spiral rib on the base of the body whorl, and a brown band is present at the top of whorls
Kermadec, Australia and Northland, NZ [K.A]
Endemic
[F]
Genus: Janthinamap >
Janthina exigua (Lamarck, 1822)
Height 23mm, Width 21mm, Violet Snail. Strong and widely spaced growth ridges
Pelagic. Commonly washed ashore on west coast beaches [ACFM]
Janthina globosa Swainson, 1826
Height 32mm, Width 26mm, Violet Snail
Pelagic. Occasionally washed ashore on Northland east coast beaches [A]
Janthina janthina (Linnaeus, 1758) (=violacea Röding)
Height 38mm, Width 40mm, Violet Snail
World wide. Pelagic [ACFM]
Janthina umbilicata d'Orbigny, 1840
Height 16mm, Width 15mm, Fine and closely spaced growth ridges
Pelagic. Kermadec Islands and Northern NZ [K.A]
Genus: Opalia (Nodiscala)map >
Height 7mm, Width 2.5mm, Endemic
Northland, off Ahipara 130 metres [A]
Height 7.5mm, Width 2.5mm, Endemic
Off Taiaroa Head, Otago [F]
Height 10mm, Endemic
Northland, off North Cape [A]
Genus: Papuliscalamap >
Papuliscala superlata Finlay, 1930
Height 4.5mm, Width 1.3mm, Endemic
Off North Cape [A]
Genus: Recluziamap >
Recluzia lutea (Bennett, 1840) (=rollandiana Petit de la Saussaye)
Height 37mm, Width 26mm
Washed ashore Northland to Bay of Plenty [K.A]