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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)
> Costallodiscus (Genus)
> pegasus (Species)
Images: Costallodiscus pegasus B.A. Marshall & Barker, 2008
Holotype, collected 21 Feb 1972, Scout Bay, Port Pegasus, Stewart Island, NZ (M.029630). 4.5mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype, collected 21 Feb 1972, Scout Bay, Port Pegasus, Stewart Island, NZ (M.029630). 4.5mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype, collected 21 Feb 1972, Scout Bay, Port Pegasus, Stewart Island, NZ (M.029630). 4.5mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Collected Feb 1972, Head of Easy Harbour, SW Stewart Island, NZ. 3.4mm. Reproduced courtesy of Dave Roscoe
Collected Feb 1972, Head of Easy Harbour, SW Stewart Island, NZ. 3.4mm. Reproduced courtesy of Dave Roscoe
Collected Feb 1972, Head of Easy Harbour, SW Stewart Island, NZ. 3.4mm. Reproduced courtesy of Dave Roscoe
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)
> Costallodiscus (Genus)
> pegasus (Species)
Details: Costallodiscus pegasus B.A. Marshall & Barker, 2008
Size/Grows to:
Width 4.5mm
Distribution:
Stewart Island
Type Data:
  • Garden Mound, N of Oban, Stewart Island, NZ, (paratype)
  • Scout Bay, Port Pegasus, Stewart Island, 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.153) 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
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