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Taxonomy
Family:
RISSOELLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Acteonimorpha (Subterclass)
> Rissoelloidea (Superfamily)
> Rissoellidae (Family)
> Rissoella (Genus)
> elongatospira (Species)
Genus Synonyms:
=Heterorissoa Iredale, 1912
=Jeffreysia Alder, 1850
=Jeffreysiella Thiele, 1912
=Jeffreysina Thiele, 1925
=Jeffreysiopsis Thiele, 1912
=Rissoella (Jeffreysiella) Thiele, 1912
=Rissoella (Phycodrosus) Rehder, 1943
=Rissoella (Rissoella) Gray, 1847
=Rissoella (Zelaxitas) Finlay, 1926
=Zelaxitas Finlay, 1926
Images: Rissoella elongatospira Ponder, 1966
Holotype, collected Goat Island Bay, Leigh, NZ (MA71273). © Auckland Museum (CC-BY)
Taxonomy
Family:
RISSOELLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Acteonimorpha (Subterclass)
> Rissoelloidea (Superfamily)
> Rissoellidae (Family)
> Rissoella (Genus)
> elongatospira (Species)
Genus Synonyms:
=Heterorissoa Iredale, 1912
=Jeffreysia Alder, 1850
=Jeffreysiella Thiele, 1912
=Jeffreysina Thiele, 1925
=Jeffreysiopsis Thiele, 1912
=Rissoella (Jeffreysiella) Thiele, 1912
=Rissoella (Phycodrosus) Rehder, 1943
=Rissoella (Rissoella) Gray, 1847
=Rissoella (Zelaxitas) Finlay, 1926
=Zelaxitas Finlay, 1926
Details: Rissoella elongatospira Ponder, 1966
Size/Grows to:
Height 1.4mm, Width 0.8mm
Distribution:
Three Kings, North, South, Stewart, Snares and Chatham Islands, from 0-37m
Type Data:
  • Goat Island Bay Beach, Leigh, NE of Warkworth, NZ, (holotype)
Notes:
Marine, Native - Endemic, Common on low tidal seaweed
View Distribution Map
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.119)
  • Ponder, W.F. 1966 The New Zealand species previously known as Zelaxitas Finlay, 1927 (Mollusca Gastropoda), Records of the Dominion Museum, 5(17) (p.167) 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