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Taxonomy
Family:
RETUSIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Cephalaspidea (Order)
> Bulloidea (Superfamily)
> Retusidae (Family)
> Retusa (Genus)
> oruaensis (Species)
Genus Synonyms:
=Clistaxis Cossmann, 1895
=Coleophysis P. Fischer, 1883
=Cryptaxis Jeffreys, 1883
=Cylichnina Monterosato, 1884
=Mamilloretusa F. Nordsieck, 1972
=Retusa (Coleophysis) P. Fischer, 1883
=Retusa (Cylichnina) Monterosato, 1884
=Retusa (Retusa) T. Brown, 1827
=Retusa (Sulcularia) Dall, 1921
=Sulcoretusa J.Q. Burch, 1945
=Tornatina (Coleophysis) P. Fischer, 1883
=Tornatina (Utriculus) T. Brown, 1844
=Utriculus T. Brown, 1844
Synonymised Names:
=Retusa suteri Finlay, 1927
=Tornatina biplicata Suter, 1909
=Tornatina charlottae Suter, 1909
=Tornatina decapitata Suter, 1909
=Tornatina oruaensis Webster, 1908
=Tornatina tenuilirata Suter, 1909
Images: Retusa oruaensis (Webster, 1908)
Holotype of Tornatina tenuilirata Suter, 1909, collected 22 Jan 1904, E of Great Barrier Island, Hauraki Gulf, NZ (M.001734). 4mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
RETUSIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Cephalaspidea (Order)
> Bulloidea (Superfamily)
> Retusidae (Family)
> Retusa (Genus)
> oruaensis (Species)
Genus Synonyms:
=Clistaxis Cossmann, 1895
=Coleophysis P. Fischer, 1883
=Cryptaxis Jeffreys, 1883
=Cylichnina Monterosato, 1884
=Mamilloretusa F. Nordsieck, 1972
=Retusa (Coleophysis) P. Fischer, 1883
=Retusa (Cylichnina) Monterosato, 1884
=Retusa (Retusa) T. Brown, 1827
=Retusa (Sulcularia) Dall, 1921
=Sulcoretusa J.Q. Burch, 1945
=Tornatina (Coleophysis) P. Fischer, 1883
=Tornatina (Utriculus) T. Brown, 1844
=Utriculus T. Brown, 1844
Synonymised Names:
=Retusa suteri Finlay, 1927
=Tornatina biplicata Suter, 1909
=Tornatina charlottae Suter, 1909
=Tornatina decapitata Suter, 1909
=Tornatina oruaensis Webster, 1908
=Tornatina tenuilirata Suter, 1909
Details: Retusa oruaensis (Webster, 1908)
Size/Grows to:
Height 4mm, Width 2mm
Distribution:
North, South and Chatham Islands. In shell sand
Geographical Range:
ACFM
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Morley, M.S., Hayward, B.W. 2015 Intertidal records of 'sea slugs' (nudibranchs and allied opisthobranch gastropods) from northern North Island, New Zealand, Records of the Auckland Institute and Museum, 50 (p.56)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.276)
  • Webster, W.H. 1908 Additions to the New Zealand fauna., Transactions of the New Zealand Institute, 40 (p.255) 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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