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Species List for Genus: Therasia
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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) > Therasia (Genus)
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  • Genus: Therasia

  • Therasia decidua (L. Pfeiffer, 1857)
    Width 9.5mm, Height 7mm
    Land, Native - Endemic
    North and South Island
  • Therasia ophelia (L. Pfeiffer, 1855)
    Width 8mm, Height 4.5mm
    Land, Native - Endemic
    North and South Island. Under stones
  • Therasia propinqua (Hutton, 1882)
    Width 6mm, Height 4mm
    Land, Native - Endemic
    North and South Island
  • Therasia thaisa Hutton, 1883
    Width 10.3mm, Height 8mm
    Land, Native - Endemic
    South and Stewart Island
  • Therasia traversi (E. A. Smith, 1884)
    Width 12.5mm, Height 8mm
    Land, Native - Endemic
    North and South Island
  • Therasia valeria Hutton, 1883
    Width 7.5mm, Height 4mm
    Land, Native - Endemic
    South Island. Christchurch and Dunedin
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