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Taxonomy
Family:
PLEUROBRANCHIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Ringipleura (Subterclass)
> Nudipleura (Superorder)
> Pleurobranchida (Order)
> Pleurobranchoidea (Superfamily)
> Pleurobranchidae (Family)
> Berthella (Genus)
> ornata (Species)
Genus Synonyms:
=Berthellinops Burn, 1962
=Bouvieria Vayssière, 1897
=Cleanthus Leach, 1847
=Gymnotoplax Pilsbry, 1896
=Pleurobranchus (Bouvieria) Vayssière, 1897
Synonymised Names:
=Pleurobranchus (Pleurobranchus) ornatus Cheeseman, 1879
=Pleurobranchus ornatus Cheeseman, 1878
Images: Berthella ornata (Cheeseman, 1878)
Under rocks at low tide, near Rarawa, Far North, NZ. 45mm
Under rocks at low tide, near Rarawa, Far North, NZ. 40mm
Alive under rocks at low tide, Henderson Bay, Far North, NZ
Under rock at low tide, Henderson Bay, Far North, NZ. 30-40mm (animal)
Taxonomy
Family:
PLEUROBRANCHIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Ringipleura (Subterclass)
> Nudipleura (Superorder)
> Pleurobranchida (Order)
> Pleurobranchoidea (Superfamily)
> Pleurobranchidae (Family)
> Berthella (Genus)
> ornata (Species)
Genus Synonyms:
=Berthellinops Burn, 1962
=Bouvieria Vayssière, 1897
=Cleanthus Leach, 1847
=Gymnotoplax Pilsbry, 1896
=Pleurobranchus (Bouvieria) Vayssière, 1897
Synonymised Names:
=Pleurobranchus (Pleurobranchus) ornatus Cheeseman, 1879
=Pleurobranchus ornatus Cheeseman, 1878
Details: Berthella ornata (Cheeseman, 1878)
Size/Grows to:
Length 12mm, Animal 70mm
Distribution:
Northland to Auckland
Geographical Range:
ACF
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.64)
  • Willan, R.C. 1983 New Zealand side-gilled sea slugs (Opisthobranchia: Notaspidea: Pleurobranchidae), Malacologia, 23(2) (p.236)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.282)

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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