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Taxonomy
Family:
AGLAJIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Cephalaspidea (Order)
> Philinoidea (Superfamily)
> Aglajidae (Family)
> Melanochlamys (Genus)
> cylindrica (Species)
Genus Synonyms:
=Nona H. & A. Adams, 1854
=Smaragdinella (Nona) H. & A. Adams, 1854
Images: Melanochlamys cylindrica Cheeseman, 1881
In a shallow rock pool, near Rarawa, Far North, NZ. 15mm. © rights reserved
On coralline weed in a shallow pool at mid-low tide. Henderson Bay, Far North, NZ. 15mm (animal). © rights reserved
On corallina weed in rock pool, Henderson Bay, Far North, NZ. ~20mm. © rights reserved
Taxonomy
Family:
AGLAJIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Cephalaspidea (Order)
> Philinoidea (Superfamily)
> Aglajidae (Family)
> Melanochlamys (Genus)
> cylindrica (Species)
Genus Synonyms:
=Nona H. & A. Adams, 1854
=Smaragdinella (Nona) H. & A. Adams, 1854
Details: Melanochlamys cylindrica Cheeseman, 1881
Size/Grows to:
Height 6mm, Width 5mm. Animal 20mm
Distribution:
North, South and Stewart Islands, from 5m
Type Data:
  • Tamaki Heads, Auckland, NZ, (holotype)
Notes:
Marine, Native - Endemic, Intertidal
Description:
A dark/black animal with a small white internal shell

View 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)
  • Krug, P.J., Morley, M.S., Asif, J., Hellyar, L.L., Blom, W.M. 2008 Molecular Confirmation of species status for the rare Cephalaspidean Melanochlamys lorraine (Rudman, 1968), and comparison with its sister species M. cylidrica Cheeseman, 1881, Journal of Molluscan Studies, 74 (p.267)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.272)
  • Cheeseman, T.F. 1881 On a new Genus of Opisthobranchiate Mollusca, Transactions and Proceedings of the Royal Society of New Zealand, 13 (p.224) 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