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Species List for Genus: Rhytida
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Mollusca (Phylum) > Gastropoda (Class) > Heterobranchia (Subclass) > Euthyneura (Infraclass) > Tectipleura (Subterclass) > Eupulmonata (Superorder) > Stylommatophora (Order) > Helicina (Suborder) > Rhytidoidei (Infraorder) > Rhytidoidea (Superfamily) > Rhytididae (Family) > Rhytidinae (Subfamily) > Rhytida (Genus)
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  • Genus: Rhytida

  • Rhytida australis Hutton, 1882
    Length 13mm, Height 8mm
    Land, Recent, Subfossil, Endemic, Has large reddish patch in umbilicus
    Stewart Island and nearby islands
    L.R.Sf.E.
  • Rhytida citrina Hutton, 1882
    Length 22mm, Height 12mm
    Land, Endemic
    South Island. Nelson to Greymouth
    L.S.E.
  • Rhytida greenwoodi (Gray, 1950)
    Length 27mm, Height 17mm
    Land, Recent, Subfossil, Endemic
    North Island. Auckland, Waikato and Coromandel area
    L.N.R.Sf.E.
  • Rhytida greenwoodi webbi Powell, 1949
    Length 26mm, Height 13mm
    Land, Endemic
    South Island. Takaka, Nelson
    L.S.E.
  • Rhytida meesoni Suter, 1891
    Length 12mm, Height 6mm
    Land, Endemic,
    Flat, glossy, wide umbilicus

    South Island. Nelson to Marlborough
    L.S.E.
  • Rhytida oconnori Powell, 1946
    Length 33mm, Height 19mm
    Land, Recent, Subfossil, Endemic
    South Island. North West Nelson
    L.S.R.Sf.E.
  • Rhytida otagoensis Powell, 1930
    Length 18mm, Height 10mm
    Land, Endemic
    South Island. Southland
    L.S.E.
  • Rhytida patula Hutton, 1882
    Length 28mm, Height 12mm
    Land, Endemic
    South Island. Greymouth to Karamea
    L.S.E.
  • Rhytida perampla (Powell, 1946)
    Length 15mm, Height 8mm
    Land, Endemic, Narrow umbilicus and inflated body whorl
    South Island. Takaka to West Nelson, and down to Mokihinui River
    L.S.E.
  • Rhytida stephenensis Powell, 1930
    Length 34mm, Height 19mm
    Land, Endemic, Large, robust, and usually heavily sculptured with oblique ridges
    Nelson & Marlborough, Stephen Island, Cook Strait
    L.S.E.
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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil