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Taxonomy
Family:
TROCHACLIDIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Seguenziida (Order)
> Seguenzioidea (Superfamily)
> Trochaclididae (Family)
> Acremodonta (Genus)
> crassicosta (Species)
Synonymised Names:
=Thoristella crassicosta Powell, 1937
Images: Acremodonta crassicosta (Powell, 1937)
In sponge, off Three Kings Islands, Far North, NZ. 2-3mm. K.W.Burch Collection
Taxonomy
Family:
TROCHACLIDIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Seguenziida (Order)
> Seguenzioidea (Superfamily)
> Trochaclididae (Family)
> Acremodonta (Genus)
> crassicosta (Species)
Synonymised Names:
=Thoristella crassicosta Powell, 1937
Details: Acremodonta crassicosta (Powell, 1937)
Size/Grows to:
Height 2.05mm, Width 2.07mm
Distribution:
Middlesex and King Banks, Three Kings Islands, and north-eastern North Island as far south as Cape Brett, from 103-805m
Type Data:
  • 260 metres, off Three Kings Islands, NZ, (holotype)
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A. 1983 Acremodontinae: a new subfamily of the Trochidae (Mollusca: Gastropoda), National Museum of New Zealand Records, 2(10) (p.128)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.59)
  • Powell, A.W.B. 1937 New Species of Marine Mollusca from New Zealand, Discovery Reports, 15 (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