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Taxonomy
Family: Subfamily:
CHAROPIDAE: THERASIINAE
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)
> Therasiinae (Subfamily)
> Thermia (Genus)
> cressida (Species)
Genus Synonyms:
=Flammulina (Pyrrha) Hutton, 1883
=Pyrrha Hutton, 1883
Synonymised Names:
=Pfeifferia cressida Hutton, 1883
=Pyrrha cressida (Hutton, 1883)
Images: Thermia cressida (Hutton, 1883)
Collected Jan 1997, Takitimu, Otatara, Southland, NZ. 7.9mm. Reproduced courtesy of Dave Roscoe
Collected Jan 1997, Takitimu, Otatara, Southland, NZ. 7.9mm. Reproduced courtesy of Dave Roscoe
Collected Jan 1997, Takitimu, Otatara, Southland, NZ. 7.9mm. Reproduced courtesy of Dave Roscoe
Collected Jan 1997, Takitimu, Otatara, Southland, NZ. 8.7mm. Reproduced courtesy of Dave Roscoe
Collected Jan 1997, Takitimu, Otatara, Southland, NZ. 8.7mm. Reproduced courtesy of Dave Roscoe
Collected Jan 1997, Takitimu, Otatara, Southland, NZ. 8.7mm. Reproduced courtesy of Dave Roscoe
Taxonomy
Family: Subfamily:
CHAROPIDAE: THERASIINAE
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)
> Therasiinae (Subfamily)
> Thermia (Genus)
> cressida (Species)
Genus Synonyms:
=Flammulina (Pyrrha) Hutton, 1883
=Pyrrha Hutton, 1883
Synonymised Names:
=Pfeifferia cressida Hutton, 1883
=Pyrrha cressida (Hutton, 1883)
Details: Thermia cressida (Hutton, 1883)
Size/Grows to:
Width 12mm, Height 9mm
Distribution:
South and Stewart Islands
Geographical Range:
L.S.
Notes:
Land, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.316)
  • Hutton, F.W. 1883 Notes on some New Zealand land shells, New Zealand Journal of Science, 1(10) (p.476) 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
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