Species List for Subfamily: Rhytidinae
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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) > Rhytidinae (Subfamily)
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Click to filter list on Geographical RangeSubfamily: Rhytidinae
Amborhytida dunniae (Gray, 1840)
Length 30mm, Height 14mm, Land, Endemic
North Island. Auckland to Awanui L.N.E.
Amborhytida duplicata (Suter, 1904)
Length 26mm, Height 15mm, Land, Recent, Subfossil, Endemic
North Cape block to Cape Maria van Diemen L.N.R.Sf.E.
Amborhytida forsythi (Powell, 1952)
Length 14mm, Height 7mm, Land, Endemic
North Island. Waipoua Forest, Kaitaia to Whangarei area L.N.E.- Amborhytida pycrofti (Powell, 1932)
Length 25mm, Height 12mm, Land, Endemic
Poor Knights Islands L.N.E. 
Amborhytida tarangaensis (Powell, 1930)
Length 31mm, Height 19mm, Land, Endemic
Northland. Hen and Chickens Islands L.N.E.
Delos jeffreysiana (L. Pfeiffer, 1853)
Length 7mm, Height 3mm, Land, Endemic
Northland Peninsula and offshore Islands. Three Kings, Poor Knights, Great Barrier Island L.N.E.
- Delouagapia cordelia (Hutton, 1883)
Length 8mm, Height 4.5mm, Land, Endemic
Northland Peninsula L.N.E. 
Delouagapia tasmani Goulstone & Brook, 1999
Height 7.7mm, Width 13mm, Land, Endemic
Three Kings Islands L.E.
Paryphanta busbyi (Gray, 1840)
Length 79mm, Height 44mm, Kauri Snail Pupurangi, Land, Endemic
Northland Peninsula, Awanui to Warkworth L.N.E.
Paryphanta watti Powell, 1946
Length 62mm, Height 23mm, Kauri Snail Pupurangi, Land, Recent, Subfossil, Endemic
Far North. Cape Maria van Diemen to North Cape block L.N.R.Sf.E.
Powelliphanta annectens (Powell, 1936)
Length 69mm, Height 38mm, Kauri Snail, Land, Endemic
South Island. Karamea to Gunner Downs L.S.E.- Powelliphanta augusta Walker, Trewick & Barker, 2008
Length 44mm, Height 27mm, Kauri Snail, Land, Endemic
South Island. Mount Augustus ridgeline northeast of Westport L.S.E. 
Powelliphanta fiordlandica (Climo, 1971)
Length 32mm, Height 16mm, Kauri Snail, Land, Endemic
South Island. Fiordland L.S.E.
Powelliphanta fletcheri (Powell, 1938)
Length 36mm, Height 20mm, Kauri Snail, Land, Endemic
South Island. Mt.Tuhua, Westland L.S.E.
Powelliphanta gagei (Powell, 1938)
Length 42mm, Height 24mm, Kauri Snail, Land, Endemic
South Island. Greymouth L.S.E.
Powelliphanta gilliesi (E.A. Smith, 1880)
Length 48mm, Height 24mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.
Powelliphanta gilliesi aurea (Powell, 1946)
Length 50mm, Height 28mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.
Powelliphanta gilliesi brunnea (Powell, 1938)
Length 56mm, Height 32mm, Kauri Snail, Land, Endemic
South Island. North-West Nelson L.S.E.
Powelliphanta gilliesi compta (Powell, 1930)
Length 48mm, Height 28mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.
Powelliphanta gilliesi fallax (Powell, 1930)
Length 48mm, Height 25mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.
Powelliphanta gilliesi jamesoni (Powell, 1936)
Length 45mm, Height 24mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.
Powelliphanta gilliesi kahurangica (Powell, 1936)
Length 54mm, Height 27mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.
Powelliphanta gilliesi montana (Powell, 1936)
Length 52mm, Height 28mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.
Powelliphanta gilliesi subfusca (Powell, 1930)
Length 47mm, Height 25mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.
Powelliphanta hochstetteri (Pfeiffer, 1862)
Length 74mm, Height 35mm, Kauri Snail, Land, Endemic
South Island. West Nelson L.S.E.- Powelliphanta hochstetteri anatokiensis (Powell, 1938)
Length 74mm, Height 35mm, Kauri Snail, Land, Endemic
South Island. Tasman Mountains, Nelson L.S.E. 
Powelliphanta hochstetteri bicolor (Powell, 1930)
Length 67mm, Height 32mm, Kauri Snail, Land, Endemic
South Island. Eastern Marlborough Sounds L.S.E.
Powelliphanta hochstetteri consorbrina (Powell, 1936)
Height 63mm, Width 30mm, Kauri Snail, Land, Endemic
South Island. Nelson L.S.E.
Powelliphanta hochstetteri obscura (Beutler, 1910)
Length 70mm, Height 39mm, Kauri Snail, Land, Endemic
South Island. Western Marlborough Sounds L.S.E.
Powelliphanta lignaria (Hutton, 1888)
Length 65mm, Height 38mm, Kauri Snail, Land, Endemic
South Island. Mokihinui River L.S.E.
Powelliphanta lignaria johnstoni (Powell, 1946)
Length 45mm, Height 25mm, Kauri Snail, Land, Endemic
South Island. Mokihinui River area L.S.E.
Powelliphanta lignaria lusca (Powell, 1949)
Length 57mm, Height 35mm, Kauri Snail, Land, Endemic
South Island. Seddonville to Karamea, Northern Westland L.S.E.
Powelliphanta lignaria oconnori (Powell, 1938)
Length 51mm, Height 42mm, Kauri Snail, Land, Endemic
South Island. Karamea, Northern Westland L.S.E.
Powelliphanta lignaria rotella (Powell, 1938)
Length 42mm, Height 28mm, Kauri Snail, Land, Endemic
South Island. Seddonville, Northern Westland L.S.E.
Powelliphanta lignaria ruforadiata (Powell, 1949)
Length 47mm, Height 29mm, Kauri Snail, Land, Endemic
South Island. Seddonville, Northern Westland L.S.E.
Powelliphanta lignaria unicolorata (Powell, 1930)
Length 50mm, Height 29mm, Kauri Snail, Land, Endemic
South Island. Seddonville, Northern Westland L.S.E.
Powelliphanta marchanti (Powell, 1932)
Length 54mm, Height 30mm, Kauri Snail, Land, Endemic
North Island. Taihape to Taranaki, Ruahine Range, East Cape L.N.E.- Powelliphanta patrickensis (Powell, 1949)
Length 36mm, Height 21mm, Kauri Snail, Land, Endemic
South Island. Near Westport, Westland L.S.E. - Powelliphanta rossiana (Powell, 1930)
Length 38mm, Height 25mm, Kauri Snail, Land, Endemic
South Island. Ross, Westland L.S.E. - Powelliphanta spedeni (Powell, 1932)
Length 39mm, Height 25mm, Kauri Snail, Land, Endemic
South Island. Near Mataura River, Southland L.S.E. 
Powelliphanta spedeni lateumbilicata (Powell, 1946)
Length 39mm, Height 25mm, Kauri Snail, Land, Endemic
South Island. Billow Mountains, Otago L.S.E.
Powelliphanta superba (Powell, 1930)
Length 80mm, Height 40mm, Kauri Snail, Land, Endemic
South Island. North West Nelson L.S.E.
Powelliphanta superba harveyi (Powell, 1946)
Length 64mm, Height 31mm, Kauri Snail, Land, Endemic
South Island. Gouland Downs, North West Nelson L.S.E.
Powelliphanta superba mouatae (Powell, 1936)
Length 61mm, Height 36mm, Kauri Snail, Land, Endemic
South Island. Gouland Downs, West Nelson L.S.E.
Powelliphanta superba prouseorum (Powell, 1946)
Length 90mm, Height 38mm, Kauri Snail, Land, Endemic
South Island. Near Kahurangi Point, West Nelson L.S.E.
Powelliphanta superba richardsoni (Powell, 1946)
Length 76mm, Height 36mm, Kauri Snail, Land, Endemic
South Island. Gouland Downs, North West Nelson L.S.E.
Powelliphanta traversi (Powell, 1930)
Length 54mm, Height 27mm, Kauri Snail, Land, Endemic
North Island. Horowhenua coastal plain to Manawatu River L.N.E.
Powelliphanta traversi florida (Powell, 1946)
Width 54mm, Height 27mm, Kauri Snail, Land, Endemic
Lower North Island. Horowhenua Plains L.N.E.
Powelliphanta traversi koputaroa (Powell, 1946)
Width 53mm, Height 27mm, Kauri Snail, Land, Endemic
Lower North Island. Levin L.N.E.
Powelliphanta traversi latizona (Powell, 1949)
Width 45mm, Height 26mm, Kauri Snail, Land, Endemic
Lower North Island. Tararua Ranges L.N.E.
Powelliphanta traversi otakia (Powell, 1946)
Length 50mm, Height 26mm, Kauri Snail, Land, Endemic
North Island. Near Otaki L.N.E.
Powelliphanta traversi tarauaensis (Powell, 1938)
Width 53mm, Height 25mm, Kauri Snail, Land, Endemic
Lower North Island. Tararua Ranges and Shannon Heights L.N.E.- Prolesophanta sp. aff. dyeri (Petterd, 1879)
Width 3mm, Land, Endemic
North Island. Desert Road, Waiouru L.E. - Rhytida australis Hutton, 1883
Length 13mm, Height 8mm, Land, Recent, Subfossil, Endemic
Stewart Island and nearby islands L.S.R.Sf.E. 
Rhytida greenwoodi (Gray, 1950)
Length 27mm, Height 17mm, Land, Endemic
North Island. Auckland, Waikato and Coromandel area L.N.E.
Rhytida greenwoodi webbi Powell, 1949
Length 26mm, Height 13mm, Land, Endemic
South Island. Takaka, Nelson L.S.E.
Rhytida meesoni Suter, 1891
Length 12mm, Height 6mm, Land, Endemic
South Island. Nelson to Marlborough L.S.E.
Rhytida oconnori Powell, 1946
Length 33mm, Height 19mm, Land, Endemic
South Island. North West Nelson L.S.E.
Rhytida otagoensis Powell, 1930
Length 18mm, Height 10mm, Land, Endemic
South Island. Southland L.S.E.
Rhytida patula Hutton, 1883
Length 28mm, Height 12mm, Land, Endemic
South Island. Greymouth to Karamea L.S.E.
Rhytida perampla (Powell, 1946)
Length 15mm, Height 8mm, Land, Endemic
South Island. Takaka to West Nelson, and down to Mokihinui River L.S.E.
Rhytida stephenensis Powell, 1930
Length 34mm, Height 19mm, Land, Endemic, Large, robust, and usually heavily sculptured with oblique ridges
Stephen Island, Cook Strait L.S.E.- Schizoglossa gigantea Powell, 1930
Length 32mm, Width 19mm, Height 6mm, Land, Recent, Subfossil, Endemic, Similar shape to S.novoseelandica, but much larger
Gisborne, Hawkes Bay subfossil. Living in bush East Cape L.N.R.Sf.E. 
Schizoglossa major Powell, 1938
Length 49mm, Width 35mm, Height 8mm, Land, Endemic, Subrecent. Larger than S.worthyae, and more roundly ovate
Waikato L.N.E.
Schizoglossa novoseelandica (Pfeiffer, 1862)
Length 20mm, Width 12mm, Height 6mm, Land, Endemic
North Island. Wanganui to Te Awamutu L.N.E.
Schizoglossa novoseelandica barrierensis Powell, 1949
Length 20mm, Width 13mm, Height 6mm, Land, Endemic
Great Barrier Island, Hauraki Gulf L.N.E.
Schizoglossa worthyae Powell, 1949
Length 32mm, Width 22mm, Height 7mm, Land, Endemic
North Island. South Auckland to Whangarei and Hokianga L.N.E.- Wainuia clarki (Powell, 1936)
Length 26mm, Height 18mm, Land, Endemic
Central North Island. Lake Taupo area L.N.E. 
Wainuia edwardi (Suter, 1899)
Length 37mm, Height 24mm, Land, Endemic
South Island. North Canterbury to Kaikoura L.S.E.
Wainuia nasuta (Powell, 1946)
Length 27mm, Height 17mm, Land, Endemic
D'Urville Island, Cook Strait L.S.E.
Wainuia urnula (L. Pfeiffer, 1855)
Length 28mm, Height 19mm, Land, Subfossil, Endemic
North Island. Wellington to Ruahine Range L.N.Sf.E.
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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil