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Taxonomy
Family: Subfamily:
PYRAMIDELLIDAE: MOERCHIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Pyramidelloidea (Superfamily)
> Pyramidellidae (Family)
> Moerchiinae (Subfamily)
> Microthyca (Genus)
> marshalli (Species)
Genus Synonyms:
=Cyclostrema (Microtheca) [sic]
=Microtheca [sic]
Images: Microthyca marshalli Raven, 2025
Holotype, collected in 1570 metres, Lord Howe Rise, SE of Lord Howe Island, Australia (M.188988). 3.8mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype, collected in 1570 metres, Lord Howe Rise, SE of Lord Howe Island, Australia (M.188988). 3.8mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family: Subfamily:
PYRAMIDELLIDAE: MOERCHIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Pyramidelloidea (Superfamily)
> Pyramidellidae (Family)
> Moerchiinae (Subfamily)
> Microthyca (Genus)
> marshalli (Species)
Genus Synonyms:
=Cyclostrema (Microtheca) [sic]
=Microtheca [sic]
Details: Microthyca marshalli Raven, 2025
Distribution:
Southern Lord Howe Rise, NW of New Zealand, from 1573m
Type Data:
  • 1570 metres, Lord Howe Rise, SE of Lord Howe Island, Australia, (holotype)
Notes:
Marine
Distribution Map
 
References and Publications
  • Rraven, J.G.M. 2025 A review of Moerchia A. Adams, 1860 and Microthyca A. Adams, 1863 from the Indo-West Pacific, with the description of a new subfamily, Moerchiinae subfam. nov. (Gastropoda: Pyramidellidae), Basteria, 89(1) (p.178) 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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