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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
In rock crevices, Mahurangi, Auckland, NZ. 31mm
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:
North Island, and northern part of South Island. Also Kermadec Islands, Tasmania and New South Wales to Western Australia. Common on mid-tidal rocks
Geographical Range:
KAC
Notes:
Black Nerita, Marine
Distribution Map
 
References and Publications
  • 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)

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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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