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Species List for Genus: Alvania
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Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > Littorinimorpha (Order) > Rissooidea (Superfamily) > Rissoidae (Family) > Alvania (Genus)
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  • Genus: Alvania

  • Alvania abrupta (Dell, 1956)
    Height 2mm, Width 1.4mm
    Marine, Endemic
    Taiaroa Canyon, off Otago Peninsula, 550 metres
    FE.
  • Alvania aupouria (Powell, 1937)
    Height 2.05mm, Width 1.25mm
    Marine, Endemic
    Off Three Kings Islands
    AE.
  • Alvania bountyensis (Dell, 1950)
    Height 2.15mm, Width 1.2mm
    Marine, Endemic
    Off Bounty Islands
    AnE.
  • Alvania exserta (Suter, 1908)
    Height 2.6mm, Width 1.6mm
    Marine, Endemic
    Off Otago Heads. Off Snares, Auckland and Campbell Islands
    FAnE.
  • Alvania gallinacea (Finlay, 1930)
    Height 3.5mm, Width 1.7mm
    Marine, Endemic
    Off Northland offshore Islands
    AE.
  • Alvania gradatoides (Finlay, 1930)
    Height 3.0mm, Width 1.6mm
    Marine, Endemic
    Off Oamaru
    FE.
  • Alvania kermadecensis (W.R.B. Oliver, 1915)
    Marine, Endemic
    Kermadec Islands
    KE.
  • Alvania maclurgi (Powell, 1933)
    Height 1.8mm, Width 1.05mm
    Marine, Endemic
    Off Chatham and Bounty Islands
    MAnE.
  • Alvania pinguis (Webster, 1906)
    Height 2mm, Width 1.25mm
    Marine, Endemic
    Northland. Off Great Barrier Island, 200 metres
    AE.
  • Alvania pinguoides (Powell, 1940)
    Height 2.3mm, Width 1.3mm
    Marine, Endemic
    Off Three Kings Islands to Northland
    AE.
  • Alvania solitaria (Dell, 1956)
    Height 2.4mm, Width 1.3mm
    Marine, Endemic
    Off Chatham Islands, trawled in approximately 240 metres
    ME.
  • Alvania venusta (Powell, 1926)
    Height 3.0mm, Width 1.5mm
    Marine, Endemic
    Off Lyttelton and off Chatham Rise
    CME.
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