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Taxonomy
Family: Subfamily:
CHAROPIDAE: PHENACOHELICINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> [unassigned] Helicina (Infraorder)
> Punctoidea (Superfamily)
> Charopidae (Family)
> Phenacohelicinae (Subfamily)
> Allodiscus (Genus)
> cryptobidens (Species)
Genus Synonyms:
=Flammulina (Allodiscus) Pilsbry, 1892
=Gerontia (Allodiscus) Pilsbry, 1892
=Psyra Hutton, 1883
Synonymised Names:
=Pitys cryptobidens Suter, 1891
Images: Allodiscus cryptobidens (Suter, 1891)
Lectotype, collected White Horse Hill, Hooker Valley, NNW of Mount Cook Village, NZ (M.125092). 1.7mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Lectotype, collected White Horse Hill, Hooker Valley, NNW of Mount Cook Village, NZ (M.125092). 1.7mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Lectotype, collected White Horse Hill, Hooker Valley, NNW of Mount Cook Village, NZ (M.125092). 1.7mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Paralectotype, collected White Horse Hill, Hooker Valley, NNW of Mount Cook Village, NZ (MA73064). 1.7mm. © Auckland Museum (CC-BY)
Paralectotype, collected White Horse Hill, Hooker Valley, NNW of Mount Cook Village, NZ (MA73064). 1.7mm. © Auckland Museum (CC-BY)
Paralectotype, collected White Horse Hill, Hooker Valley, NNW of Mount Cook Village, NZ (MA73064). 1.7mm. © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
CHAROPIDAE: PHENACOHELICINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> [unassigned] Helicina (Infraorder)
> Punctoidea (Superfamily)
> Charopidae (Family)
> Phenacohelicinae (Subfamily)
> Allodiscus (Genus)
> cryptobidens (Species)
Genus Synonyms:
=Flammulina (Allodiscus) Pilsbry, 1892
=Gerontia (Allodiscus) Pilsbry, 1892
=Psyra Hutton, 1883
Synonymised Names:
=Pitys cryptobidens Suter, 1891
Details: Allodiscus cryptobidens (Suter, 1891)
Size/Grows to:
Width 1.8mm, Height 0.8mm
Distribution:
South Island
Geographical Range:
L.S.
Notes:
Land, Native - Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A., Barker, G.M. 2008 A revision of the New Zealand land snails referred to Allodiscus Pilsbry, 1892 and Pseudallodiscus Climo, 1971, with the introduction of three new genera (Mollusca: Gastropoda: Charopidae), Tuhinga: Records of the Museum of New Zealand Te Papa Tongarewa, 19 (p.106)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.304)
  • Suter, H. 1891 Descriptions of new species of New Zealand land and fresh-water shells., Transactions of the New Zealand Institute, 23 (p.89) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
*1 Photographed by A.M. Spurgeon

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