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Taxonomy
Family:
LIRONOBIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Lironobidae (Family)
> Merelina (Genus)
> maoriana (Species)
Genus Synonyms:
=Merelina (Mereliniopsis) Ponder, 1967
=Merelina (Promerelina) Powell, 1926
=Mereliniopsis Ponder, 1967
=Promerelina Powell, 1926
Synonymised Names:
=Rissoa plicata Hutton, 1873
=Rissoia plicata (Hutton, 1873)
Images: Merelina maoriana Powell, 1939
Holotype, dredged in 5 metres, Dunedin Harbour, Otago, NZ (MA70461). © Auckland Museum (CC-BY)
Syntype of Rissoa plicata Hutton, 1873, collected no other data, NZ (M.000150). 3mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Collected in 150-200 metres, Taiaroa Canyon, Otago, NZ. 3mm
Taxonomy
Family:
LIRONOBIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Lironobidae (Family)
> Merelina (Genus)
> maoriana (Species)
Genus Synonyms:
=Merelina (Mereliniopsis) Ponder, 1967
=Merelina (Promerelina) Powell, 1926
=Mereliniopsis Ponder, 1967
=Promerelina Powell, 1926
Synonymised Names:
=Rissoa plicata Hutton, 1873
=Rissoia plicata (Hutton, 1873)
Details: Merelina maoriana Powell, 1939
Size/Grows to:
Height 3.0mm, Width 1.3mm
Distribution:
North, South and Chatham Islands
Geographical Range:
ACFM
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.109)
  • Gardner, N.W. Dec/1977 The species of Merelina Iredale, (Rissoidae), occurring in intertidal drift, Poirieria, 9(3) (p.55)
  • Powell, A.W.B. 1939 The Mollusca of Stewart Island., Records of the Auckland Institute and Museum, 2 (p.231) Original Description

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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