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Taxonomy
Family:
NERITIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Neritimorpha (Subclass)
> Cycloneritida (Order)
> Neritoidea (Superfamily)
> Neritidae (Family)
> Nerita (Genus)
> melanotragus (Species)
Synonymised Names:
=Nerita (Lisanerita) melanotragus E.A. Smith, 1884 accepted, alternate representation
=Nerita atrata Reeve, 1855
=Nerita saturata Hutton, 1884
=Nerita atramentosa of authors not Reeve
Images: Nerita melanotragus E.A. Smith, 1884
Manukau Heads, Auckland, NZ. 31mm. © rights reserved
In rock crevices, Mahurangi, Auckland, NZ. 31mm. © rights reserved
Taxonomy
Family:
NERITIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Neritimorpha (Subclass)
> Cycloneritida (Order)
> Neritoidea (Superfamily)
> Neritidae (Family)
> Nerita (Genus)
> melanotragus (Species)
Synonymised Names:
=Nerita (Lisanerita) melanotragus E.A. Smith, 1884 accepted, alternate representation
=Nerita atrata Reeve, 1855
=Nerita saturata Hutton, 1884
=Nerita atramentosa of authors not Reeve
Details: Nerita melanotragus E.A. Smith, 1884
Size/Grows to:
Width 36mm, Height 30mm
Distribution:
Eastern and south-eastern Australia, Lord Howe Island, Norfolk Island and northern New Zealand. Kermadec Islands, Three Kings Islands, North Island and northern South Island (rarely) as far south as Kaikoura, from 0m
Notes:
Black Nerita, Marine, Native - Non-endemic, Intertidal, common on mid-tidal rocks
View Distribution Map
References and Publications
  • Carson, K., Elliott, B.F., Raven, J.L., Keil, F. Nov/2013 Notes on NZ Collected Species, Cookia, 25 (p.14)
  • Morley, M.S. Oct/2013 The Egg Cases, Protoconchs and early whorls of Nerita melanotragus E.A Smith, 1884, Poirieria, 37 (p.30)
  • Spencer, H.G. Sep/2009 Name changes for some common intertidal snails, Poirieria, 34 (p.7)
  • Raven, J.L. May/1995 Occurrence of Nerita melanotragus round Wellington, Cookia, 7(2) (p.4)
  • Walsby, J.R., Morton, J.E. 1982 Chitons, Limpets & Topshells & Pulmonates (Amphineura, Archaeogastropoda & Pulmonata), Marine Molluscs, University of Auckland, Leigh Marine Laboratory, 1 (p.67)
  • Elliott, B.F. May/1980 Items of Interest: Nerita melanotragus, Poirieria, 10(5)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.80)

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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