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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Alvania (Genus)
> abrupta (Species)
Genus Synonyms:
=Alvania (Linemera) Finlay, 1924 accepted, alternate representation
Synonymised Names:
=Alvania (Linemera) abrupta (Dell, 1956) accepted, alternate representation
=Alvinia (Linemera) abrupta (Dell, 1956)
=Linemera abrupta Dell, 1956
Images: Alvania abrupta (Dell, 1956)
Holotype of Linemera abrupta Dell, 1956, collected 16 Aug 1955, Taiaroa Canyon, off Otago Peninsula, NZ (M.009332). 2mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Dredged in 100-200 metres, southern edge of Taiaroa Canyon, Otago, NZ. 2mm
Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Alvania (Genus)
> abrupta (Species)
Genus Synonyms:
=Alvania (Linemera) Finlay, 1924 accepted, alternate representation
Synonymised Names:
=Alvania (Linemera) abrupta (Dell, 1956) accepted, alternate representation
=Alvinia (Linemera) abrupta (Dell, 1956)
=Linemera abrupta Dell, 1956
Details: Alvania abrupta (Dell, 1956)
Size/Grows to:
Height 2mm, Width 1.4mm
Distribution:
Taiaroa Canyon, off Otago Peninsula, 550 metres
Geographical Range:
F
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.96)
  • Dell, R.K. 1956 The archibenthal Mollusca of New Zealand, Dominion Museum Bulletin, 18 (p.66) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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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