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Species List for Family: Rhytididae
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Mollusca (Phylum) > Gastropoda (Class) > Heterobranchia (Subclass) > Euthyneura (Infraclass) > Tectipleura (Subterclass) > Eupulmonata (Superorder) > Stylommatophora (Order) > Helicina (Suborder) > Rhytidoidei (Infraorder) > Rhytidoidea (Superfamily) > Rhytididae (Family)
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  • Family: Rhytididae

  • Amborhytida dunniae (Gray, 1840)
    Length 30mm, Height 14mm
    Land, Native - Endemic
    North Island. Auckland to Awanui
    L.N.
  • Amborhytida duplicata (Suter, 1904)
    Length 26mm, Height 15mm
    Land, Recent, Subfossil, Native - Endemic
    North Cape block to Cape Maria van Diemen
    L.N.R.Sf.
  • Amborhytida forsythi (Powell, 1952)
    Length 14mm, Height 7mm
    Land, Native - Endemic
    North Island. Waipoua Forest, Kaitaia to Whangarei area
    L.N.
  • Amborhytida pycrofti (Powell, 1932)
    Length 27mm, Height 13mm
    Land, Native - Endemic
    Poor Knights Islands
    L.N.
  • Amborhytida tarangaensis (Powell, 1930)
    Length 31mm, Height 19mm
    Land, Native - Endemic
    Northland. Hen and Chickens Islands
    L.N.
  • Delos coresia (Gray, 1850)
    Width 4mm, Height 1.7mm
    Land, Native - Endemic
    North Island
    L.N.
  • Delos jeffreysiana (L. Pfeiffer, 1853)
    Width 7mm, Height 3mm
    Land, Native - Endemic
    Northland Peninsula and offshore Islands. Three Kings, Poor Knights, Great Barrier Island
    L.N.
  • Delos regia Climo, 1973
    Width 4.2mm
    Land, Native - Endemic
    Three Kings Islands
    L.
  • Delos striata Climo, 1973
    Width 4mm, Height 1.5mm
    Land, Native - Endemic
    Three Kings Islands
    L.
  • Delouagapia cordelia (Hutton, 1883)
    Width 8mm, Height 4.5mm
    Land, Native - Endemic
    Northland Peninsula
    L.N.
  • Delouagapia tasmani Goulstone & Brook, 1999
    Width 13mm, Height 7.7mm
    Land, Native - Endemic
    Three Kings Islands
    L.
  • Paryphanta busbyi (Gray, 1840)
    Length 79mm, Height 44mm
    Kauri Snail Pupurangi, Land, Native - Endemic
    Northland Peninsula, Awanui to Warkworth
    L.N.
  • Paryphanta watti Powell, 1946
    Length 62mm, Height 23mm
    Kauri Snail Pupurangi, Land, Recent, Subfossil, Native - Endemic
    Far North. Cape Maria van Diemen to North Cape block
    L.N.R.Sf.
  • Powelliphanta annectens (Powell, 1936)
    Length 69mm, Height 38mm
    Kauri Snail, Land, Native - Endemic
    South Island. Karamea to Gunner Downs
    L.S.
  • Powelliphanta augusta Walker, Trewick & Barker, 2008
    Width 44mm, Height 27mm
    Kauri Snail, Land, Native - Endemic
    South Island. Mount Augustus ridgeline northeast of Westport
    L.S.
  • Powelliphanta fiordlandica (Climo, 1971)
    Length 32mm, Height 16mm
    Kauri Snail, Land, Native - Endemic
    South Island. Fiordland
    L.S.
  • Powelliphanta fletcheri (Powell, 1938)
    Length 36mm, Height 20mm
    Kauri Snail, Land, Native - Endemic
    South Island. Mt.Tuhua, Westland
    L.S.
  • Powelliphanta gagei (Powell, 1938)
    Length 42mm, Height 24mm
    Kauri Snail, Land, Native - Endemic
    South Island. Greymouth
    L.S.
  • Powelliphanta gilliesi (E.A. Smith, 1880)
    Width 48mm, Height 24mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta gilliesi aurea (Powell, 1946)
    Length 50mm, Height 28mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta gilliesi brunnea (Powell, 1938)
    Length 56mm, Height 32mm
    Kauri Snail, Land, Native - Endemic
    South Island. North-West Nelson
    L.S.
  • Powelliphanta gilliesi compta (Powell, 1930)
    Length 48mm, Height 28mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta gilliesi fallax (Powell, 1930)
    Length 48mm, Height 25mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta gilliesi jamesoni (Powell, 1936)
    Length 45mm, Height 24mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta gilliesi kahurangica (Powell, 1936)
    Length 54mm, Height 27mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta gilliesi montana (Powell, 1936)
    Length 52mm, Height 28mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta gilliesi subfusca (Powell, 1930)
    Length 47mm, Height 25mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta hochstetteri (L. Pfeiffer, 1862)
    Length 74mm, Height 35mm
    Kauri Snail, Land, Native - Endemic
    South Island. West Nelson
    L.S.
  • Powelliphanta hochstetteri anatokiensis (Powell, 1938)
    Length 74mm, Height 35mm
    Kauri Snail, Land, Native - Endemic
    South Island. Tasman Mountains, Nelson
    L.S.
  • Powelliphanta hochstetteri bicolor (Powell, 1930)
    Length 67mm, Height 32mm
    Kauri Snail, Land, Native - Endemic
    South Island. Eastern Marlborough Sounds
    L.S.
  • Powelliphanta hochstetteri consobrina (Powell, 1936)
    Length 63mm, Height 30mm
    Kauri Snail, Land, Native - Endemic
    South Island. Nelson
    L.S.
  • Powelliphanta hochstetteri obscura (Beutler, 1901)
    Length 70mm, Height 39mm
    Kauri Snail, Land, Native - Endemic
    South Island. Western Marlborough Sounds
    L.S.
  • Powelliphanta lignaria (Hutton, 1888)
    Length 65mm, Height 38mm
    Kauri Snail, Land, Native - Endemic
    South Island. Mokihinui River
    L.S.
  • Powelliphanta lignaria johnstoni (Powell, 1946)
    Length 45mm, Height 25mm
    Kauri Snail, Land, Native - Endemic
    South Island. Mokihinui River area
    L.S.
  • Powelliphanta lignaria lusca (Powell, 1949)
    Length 57mm, Height 35mm
    Kauri Snail, Land, Native - Endemic
    South Island. Seddonville to Karamea, Northern Westland
    L.S.
  • Powelliphanta lignaria oconnori (Powell, 1938)
    Length 51mm, Width 42mm
    Kauri Snail, Land, Native - Endemic
    South Island. Karamea, Northern Westland
    L.S.
  • Powelliphanta lignaria rotella (Powell, 1938)
    Length 42mm, Height 28mm
    Kauri Snail, Land, Native - Endemic
    South Island. Seddonville, Northern Westland
    L.S.
  • Powelliphanta lignaria ruforadiata (Powell, 1949)
    Length 47mm, Height 29mm
    Kauri Snail, Land, Native - Endemic
    South Island. Seddonville, Northern Westland
    L.S.
  • Powelliphanta lignaria unicolorata (Powell, 1930)
    Length 50mm, Height 29mm
    Kauri Snail, Land, Native - Endemic
    South Island. Seddonville, Northern Westland
    L.S.
  • Powelliphanta marchanti (Powell, 1932)
    Length 54mm, Height 30mm
    Kauri Snail, Land, Native - Endemic
    North Island. Taihape to Taranaki, Ruahine Range, East Cape
    L.N.
  • Powelliphanta patrickensis (Powell, 1949)
    Length 36mm, Height 21mm
    Kauri Snail, Land, Native - Endemic
    South Island. Near Westport, Westland
    L.S.
  • Powelliphanta rossiana (Powell, 1930)
    Length 38mm, Height 25mm
    Kauri Snail, Land, Native - Endemic
    South Island. Ross, Westland
    L.S.
  • Powelliphanta spedeni (Powell, 1932)
    Length 39mm, Height 25mm
    Kauri Snail, Land, Native - Endemic
    South Island. Near Mataura River, Southland
    L.S.
  • Powelliphanta spedeni lateumbilicata (Powell, 1946)
    Width 39mm, Height 25mm
    Kauri Snail, Land, Native - Endemic
    South Island. Billow Mountains, Otago
    L.S.
  • Powelliphanta superba (Powell, 1930)
    Length 80mm, Height 40mm
    Kauri Snail, Land, Native - Endemic
    South Island. North West Nelson
    L.S.
  • Powelliphanta superba harveyi (Powell, 1946)
    Length 64mm, Height 31mm
    Kauri Snail, Land, Native - Endemic
    South Island. Gouland Downs, North West Nelson
    L.S.
  • Powelliphanta superba mouatae (Powell, 1936)
    Length 61mm, Height 36mm
    Kauri Snail, Land, Native - Endemic
    South Island. Gouland Downs, West Nelson
    L.S.
  • Powelliphanta superba prouseorum (Powell, 1946)
    Length 90mm, Height 38mm
    Kauri Snail, Land, Native - Endemic
    South Island. Near Kahurangi Point, West Nelson
    L.S.
  • Powelliphanta superba richardsoni (Powell, 1946)
    Length 76mm, Height 36mm
    Kauri Snail, Land, Native - Endemic
    South Island. Gouland Downs, North West Nelson
    L.S.
  • Powelliphanta traversi (Powell, 1930)
    Length 54mm, Height 27mm
    Kauri Snail, Land, Native - Endemic
    North Island. Horowhenua coastal plain to Manawatu River
    L.N.
  • Powelliphanta traversi florida (Powell, 1946)
    Length 54mm, Height 27mm
    Kauri Snail, Land, Native - Endemic
    Lower North Island. Horowhenua Plains
    L.N.
  • Powelliphanta traversi koputaroa (Powell, 1946)
    Length 53mm, Height 27mm
    Kauri Snail, Land, Native - Endemic
    Lower North Island. Levin
    L.N.
  • Powelliphanta traversi latizona (Powell, 1949)
    Length 45mm, Height 26mm
    Kauri Snail, Land, Native - Endemic
    Lower North Island. Tararua Ranges
    L.N.
  • Powelliphanta traversi otakia (Powell, 1946)
    Length 50mm, Height 26mm
    Kauri Snail, Land, Native - Endemic
    North Island. Near Otaki
    L.N.
  • Powelliphanta traversi tarauaensis (Powell, 1938)
    Length 53mm, Height 25mm
    Kauri Snail, Land, Native - Endemic
    Lower North Island. Tararua Ranges and Shannon Heights
    L.N.
  • Prolesophanta sp. aff. dyeri (Petterd, 1879)
    Width 3mm
    Land, Native - Endemic
    North Island. Desert Road, Waiouru
    L.
  • Rhytida australis Hutton, 1882
    Length 13mm, Height 8mm
    Land, Recent, Subfossil, Native - Endemic, Has large reddish patch in umbilicus
    Stewart Island and nearby islands
    L.R.Sf.
  • Rhytida citrina Hutton, 1882
    Length 22mm, Height 12mm
    Land, Native - Endemic
    South Island. Nelson to Greymouth
    L.S.
  • Rhytida greenwoodi (Gray, 1950)
    Length 27mm, Height 17mm
    Land, Recent, Subfossil, Native - Endemic
    North Island. Auckland, Waikato and Coromandel area
    L.N.R.Sf.
  • Rhytida greenwoodi webbi Powell, 1949
    Length 26mm, Height 13mm
    Land, Native - Endemic
    South Island. Takaka, Nelson
    L.S.
  • Rhytida meesoni Suter, 1891
    Length 12mm, Height 6mm
    Land, Native - Endemic,
    Flat, glossy, wide umbilicus

    South Island. Nelson to Marlborough
    L.S.
  • Rhytida oconnori Powell, 1946
    Length 33mm, Height 19mm
    Land, Recent, Subfossil, Native - Endemic
    South Island. North West Nelson
    L.S.R.Sf.
  • Rhytida otagoensis Powell, 1930
    Length 18mm, Height 10mm
    Land, Native - Endemic
    South Island. Southland
    L.S.
  • Rhytida patula Hutton, 1882
    Length 28mm, Height 12mm
    Land, Native - Endemic
    South Island. Greymouth to Karamea
    L.S.
  • Rhytida perampla (Powell, 1946)
    Length 15mm, Height 8mm
    Land, Native - Endemic, Narrow umbilicus and inflated body whorl
    South Island. Takaka to West Nelson, and down to Mokihinui River
    L.S.
  • Rhytida stephenensis Powell, 1930
    Length 34mm, Height 19mm
    Land, Native - Endemic, Large, robust, and usually heavily sculptured with oblique ridges
    Nelson & Marlborough, Stephen Island, Cook Strait
    L.S.
  • Rhytidarex buddlei (Powell, 1948)
    Length 68mm, Height 29mm
    Land, Recent, Subfossil, Native - Endemic
    Three Kings Islands
    L.R.Sf.
  • Rhytidarex johnsoni (Powell, 1948)
    Length 22mm, Height 12mm
    Land, Native - Endemic
    Three Kings Islands
    L.
  • Schizoglossa gigantea Powell, 1930
    Length 32mm, Width 19mm, Height 6mm
    Land, Recent, Subfossil, Native - Endemic, Similar shape to S.novoseelandica, but much larger
    Gisborne, Hawkes Bay subfossil. Living in bush East Cape
    L.N.R.Sf.
  • Schizoglossa major Powell, 1938
    Length 49mm, Width 35mm, Height 8mm
    Land, Native - Endemic, Subrecent. Larger than S.worthyae, and more roundly ovate
    Waikato
    L.N.
  • Schizoglossa novoseelandica (L. Pfeiffer, 1862)
    Length 26mm, Width 14mm, Height 7mm
    Land, Native - Endemic
    North Island. Wanganui to Te Awamutu
    L.N.
  • Schizoglossa novoseelandica barrierensis Powell, 1949
    Length 20mm, Width 13mm, Height 6mm
    Land, Native - Endemic
    Great Barrier Island, Hauraki Gulf
    L.N.
  • Schizoglossa worthyae Powell, 1949
    Length 32mm, Width 22mm, Height 7mm
    Land, Native - Endemic
    North Island. South Auckland to Whangarei and Hokianga
    L.N.
  • Wainuia clarki (Powell, 1936)
    Length 26mm, Height 18mm
    Land, Native - Endemic
    Central North Island. Lake Taupo area
    L.N.
  • Wainuia edwardi (Suter, 1899)
    Length 37mm, Height 24mm
    Land, Native - Endemic
    South Island. North Canterbury to Kaikoura
    L.S.
  • Wainuia nasuta (Powell, 1946)
    Length 32mm, Height 20mm
    Land, Native - Endemic
    D'Urville Island, Cook Strait to Marlborough
    L.S.
  • Wainuia urnula (Reeve, 1854)
    Width 28mm, Height 19mm
    Land, Subfossil, Native - Endemic
    North Island. Wellington to Ruahine Range
    L.N.Sf.
Key to Geographical Ranges
NZ Map showing 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