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Taxonomy
Family: Subfamily:
RHYTIDIDAE: RHYTIDINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> Rhytidoidei (Infraorder)
> Rhytidoidea (Superfamily)
> Rhytididae (Family)
> Rhytidinae (Subfamily)
> Powelliphanta (Genus)
> lignaria johnstoni (Species)
Genus Synonyms:
=Paryphanta (Powelliphanta) O'Connor, 1945
Synonymised Names:
=Paryphanta (Powelliphanta) unicolorata johnstoni Powell, 1946
=Paryphanta unicolorata johnstoni Powell, 1946
Images: Powelliphanta lignaria johnstoni (Powell, 1946)
Near Charming Creek and Ngakawau Coal Mine, North-Westland. 54mm. Photographed from an old collection, pre 1970's
Holotype, collected 1945, near Mokihinui River, Seddonville, NZ (MA71086). 45mm. © Auckland Museum (CC-BY)
Holotype, collected 1945, near Mokihinui River, Seddonville, NZ (MA71086). 45mm. © Auckland Museum (CC-BY)
Holotype, collected 1945, near Mokihinui River, Seddonville, NZ (MA71086). 45mm. © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
RHYTIDIDAE: RHYTIDINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> Rhytidoidei (Infraorder)
> Rhytidoidea (Superfamily)
> Rhytididae (Family)
> Rhytidinae (Subfamily)
> Powelliphanta (Genus)
> lignaria johnstoni (Species)
Genus Synonyms:
=Paryphanta (Powelliphanta) O'Connor, 1945
Synonymised Names:
=Paryphanta (Powelliphanta) unicolorata johnstoni Powell, 1946
=Paryphanta unicolorata johnstoni Powell, 1946
Details: Powelliphanta lignaria johnstoni (Powell, 1946)
Size/Grows to:
Length 45mm, Height 25mm
Distribution:
South Island. Mokihinui River area
Geographical Range:
L.S.
Notes:
Kauri Snail, Land, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.336)
  • Powell, A.W.B. 1946 The Paryphantidae of New Zealand. No. 5. Further new species of Paryphanta, Wainuia and Rhytida, Records of the Auckland Institute and Museum, 3 (p.107) Original Description

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