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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Alvania (Genus)
> pinguis (Species)
Genus Synonyms:
=Alvania (Linemera) Finlay, 1924 accepted, alternate representation
Synonymised Names:
=Alvania (Linemera) pinguis (Webster, 1906) accepted, alternate representation
=Rissoa pingue Webster, 1906
Images: Alvania pinguis (Webster, 1906)
Holotype of Rissoa pingue, collected 22 Jan 1904, E of Great Barrier Island, Hauraki Gulf, NZ (M.001756). 2mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Alvania (Genus)
> pinguis (Species)
Genus Synonyms:
=Alvania (Linemera) Finlay, 1924 accepted, alternate representation
Synonymised Names:
=Alvania (Linemera) pinguis (Webster, 1906) accepted, alternate representation
=Rissoa pingue Webster, 1906
Details: Alvania pinguis (Webster, 1906)
Size/Grows to:
Height 2mm, Width 1.25mm
Distribution:
Northern North Island as far south-east as East Cape
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Ponder, W.F. 1985 A review of the genera of the Rissoidae (Mollusca: Mesogastropoda: Rissoacea), Records of the Australian Museum (p.45)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.97)
  • Webster, W.H. 1906 Results of dredging on the continental shelf of New Zealand., Transactions of the New Zealand Institute, 38 (p.307) Original Description

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
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