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Taxonomy
Family:
ANABATHRIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Truncatelloidea (Superfamily)
> Anabathridae (Family)
> Pisinna (Genus)
> micronema (Species)
Genus Synonyms:
=Estea Iredale, 1915
=Estea (Microestea) Ponder, 1965
=Feldestea Iredale, 1955
=Hagenmulleria Bourguignat, 1881
=Microestea Ponder, 1965
=Nodulestea Iredale, 1955
=Pisanna Monterosato, 1878 (misspelling)
Synonymised Names:
=Estea micronema (Suter, 1898)
=Estea morioria Powell, 1933
=Estea sculpturata Dell, 1956
=Pisinna micronema micronema (Suter, 1898) accepted, alternate representation
=Rissoa purpurea Hutton, 1873
=Rissoia (Cingula) subfusca var. micronema Suter, 1898
=Rissoia subfusca var. micronema Suter, 1898
Images: Pisinna micronema (Suter, 1898)
Syntype of Rissoa purpurea Hutton, 1873, collected no other data, NZ (M.000149). ~2.5-2.8mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype of Estea sculpturata, collected collected 16 Aug 1955, Taiaroa Canyon, off Otago Peninsula, NZ (M.009088). ~2.8mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
ANABATHRIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Truncatelloidea (Superfamily)
> Anabathridae (Family)
> Pisinna (Genus)
> micronema (Species)
Genus Synonyms:
=Estea Iredale, 1915
=Estea (Microestea) Ponder, 1965
=Feldestea Iredale, 1955
=Hagenmulleria Bourguignat, 1881
=Microestea Ponder, 1965
=Nodulestea Iredale, 1955
=Pisanna Monterosato, 1878 (misspelling)
Synonymised Names:
=Estea micronema (Suter, 1898)
=Estea morioria Powell, 1933
=Estea sculpturata Dell, 1956
=Pisinna micronema micronema (Suter, 1898) accepted, alternate representation
=Rissoa purpurea Hutton, 1873
=Rissoia (Cingula) subfusca var. micronema Suter, 1898
=Rissoia subfusca var. micronema Suter, 1898
Details: Pisinna micronema (Suter, 1898)
Size/Grows to:
Height 2.8mm, Width 1.2mm
Distribution:
South of South Island, Stewart and Snares Islands
Geographical Range:
FAn
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.102)
  • Suter, H. 1898 Revision of the New Zealand Rissoiidae, Proceedings of the Malacological Society of London, 3 (p.4) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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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