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Taxonomy
Family: Subfamily:
TROCHIDAE: CANTHARIDINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Trochidae (Family)
> Cantharidinae (Subfamily)
> Micrelenchus (Genus)
> tenebrosus (Species)
Genus Synonyms:
=Cantharidus (Mawhero) B.A. Marshall, 1998
=Mawhero B.A. Marshall, 1998
=Micrelenchus (Mawhero) B.A. Marshall, 1998
=Micrelenchus (Micrelenchus) Finlay, 1926
=Trochus (Gibbium) Gray, 1843 (invalid, junior homonym of Gibbium Scopoli, 1777)
Synonymised Names:
=Cantharidus tenebrosus A. Adams, 1853
=Gibbula dolorosa Tenison-Woods, 1877
=Micrelenchus (Micrelenchus) tenebrosus (A. Adams, 1853) accepted, alternate representation
=Micrelenchus parcipictus Powell, 1946
=Trochus (Gibbula) scamnatus P. Fischer, 1878
Images: Micrelenchus tenebrosus A. Adams, 1853
Marfells Beach, Marlborough, NZ. 8mm
Marfells Beach, Marlborough, NZ. 8mm
Holotype of Micrelenchus parcipictus Powell, collected in 1934, east of Puysegur Point, Southland, NZ (MA71041). © Auckland Museum (CC-BY)
Holotype of Micrelenchus parcipictus Powell, collected in 1934, east of Puysegur Point, Southland, NZ (MA71041). © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
TROCHIDAE: CANTHARIDINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Trochidae (Family)
> Cantharidinae (Subfamily)
> Micrelenchus (Genus)
> tenebrosus (Species)
Genus Synonyms:
=Cantharidus (Mawhero) B.A. Marshall, 1998
=Mawhero B.A. Marshall, 1998
=Micrelenchus (Mawhero) B.A. Marshall, 1998
=Micrelenchus (Micrelenchus) Finlay, 1926
=Trochus (Gibbium) Gray, 1843 (invalid, junior homonym of Gibbium Scopoli, 1777)
Synonymised Names:
=Cantharidus tenebrosus A. Adams, 1853
=Gibbula dolorosa Tenison-Woods, 1877
=Micrelenchus (Micrelenchus) tenebrosus (A. Adams, 1853) accepted, alternate representation
=Micrelenchus parcipictus Powell, 1946
=Trochus (Gibbula) scamnatus P. Fischer, 1878
Details: Micrelenchus tenebrosus A. Adams, 1853
Size/Grows to:
Height 11mm, Width 10mm
Distribution:
Southern North Island, South and Stewart Island. Under stones in coastal regions
Notes:
Marine, Native - Endemic, Coastal, open water on seaweed and under kelp holdfasts
Distribution Map
 
References and Publications
  • Donald, K.M., Spencer, H.G. 2016 Phylogeographic patterns in New Zealand and temperate Australian cantharidines (Mollusca: Gastropoda: Trochidae: Cantharidinae): Trans-Tasman divergences are ancient, Molecular Phylogenetics and Evolution, 100 (p.341)
  • Marshall, B.A. 1998 The New Zealand Recent species of Cantharidus Montfort, 1810 and Micrelenchus Finlay, 1926 (Mollusca: Gastropoda: Trochidae), Molluscan Research, 19 (p.125)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.57)
  • Adams, A. 1853 Contributions towards a monograph of the Trochidae, a family of gasteropodous Mollusca, Proceedings of the Zoological Society of London, 19 (p.170) Original Description

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

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