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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)
> austrodimorphus (Species)
Genus Synonyms:
=Flammulina (Allodiscus) Pilsbry, 1892
=Gerontia (Allodiscus) Pilsbry, 1892
=Psyra Hutton, 1883
Images: Allodiscus austrodimorphus Dell, 1955
Head of Windward River, Fiordland, NZ. 5.0mm. Reproduced courtesy of iNaturalist.nz ©openlabnz (D.J.Roscoe)
Head of Windward River, Fiordland, NZ. 5.0mm. Reproduced courtesy of iNaturalist.nz ©openlabnz (D.J.Roscoe)
Head of Windward River, Fiordland, NZ. 5.0mm. Reproduced courtesy of iNaturalist.nz ©openlabnz (D.J.Roscoe)
Holotype, collected 13 March 1949, Stillwater River, Caswell Sound head, NZ (M.006149). 5.0mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype, collected 13 March 1949, Stillwater River, Caswell Sound head, NZ (M.006149). 5.0mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype, collected 13 March 1949, Stillwater River, Caswell Sound head, NZ (M.006149). 5.0mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
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)
> austrodimorphus (Species)
Genus Synonyms:
=Flammulina (Allodiscus) Pilsbry, 1892
=Gerontia (Allodiscus) Pilsbry, 1892
=Psyra Hutton, 1883
Details: Allodiscus austrodimorphus Dell, 1955
Size/Grows to:
Width 5.6mm, Height 3.6mm
Distribution:
West Coast South Island
Type Data:
  • Stillwater River, Caswell Sound head, Fiordland, NZ, (holotype)
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.110)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.319)
  • Dell, R.K. 1955 The land Mollusca of Fiordland, south-west Otago, Transactions and Proceedings of the Royal Society of New Zealand, 82(5) (p.1137) Original Description

NZ Geographical Regions
Key to symbols used in Checklist.
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil