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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:
Southern South Island as far south as Doubtful Sound, Auckland Islands and Chatham Islands, from 33-550m
Type Data:
  • 550 metres, Taiaroa Canyon, off Taiaroa Head, NZ, (paralectotype, holotype of Estea sculpturata Dell, 1956)
  • Stewart Island, NZ, (paralectotype of Rissoa micronema Suter, 1898, syntype of Rissoa purpurea Hutton, 1873)
Notes:
Marine, Native - Endemic
View 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

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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