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Taxonomy
Family:
ARCHITECTONICIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Architectonicoidea (Superfamily)
> Architectonicidae (Family)
> Psilaxis (Genus)
> oxytropis (Species)
Synonymised Names:
=Philippia manifesta Iredale, 1931
=Philippia oxytropis A. Adams, 1855
Images: Psilaxis oxytropis (A. Adams, 1855)
Washed up in the Far North, NZ. 16mm. © rights reserved
In beach drift, Rarawa, Far North, NZ. 9.5mm. © rights reserved
Taxonomy
Family:
ARCHITECTONICIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Architectonicoidea (Superfamily)
> Architectonicidae (Family)
> Psilaxis (Genus)
> oxytropis (Species)
Synonymised Names:
=Philippia manifesta Iredale, 1931
=Philippia oxytropis A. Adams, 1855
Details: Psilaxis oxytropis (A. Adams, 1855)
Size/Grows to:
Width 17mm, Height 12mm
Distribution:
Indo-West Pacific. Raoul Island, Middlesex and King Banks, Three Kings Islands, off Cape Reinga, and north-eastern North Island as far south-east as Ranfurly Bank, from 0-246m
Notes:
Marine, Native - Non-endemic, Larger protoconch than Psilaxis radiatus
Distribution Map
 
References and Publications
  • Spurgeon, A.M., Burch, K.W., Carson, K., Walton, K., Plaisted, J. Nov/2017 Notes on NZ Collected Species, Cookia, 29 (p.13)
  • Brook, F.J., Marshall, B.A. 1998 The coastal molluscan fauna of the northern Kermadec Islands, southwest Pacific Ocean, Journal of the Royal Society of New Zealand, 28 (p.229)
  • Bieler, R. 1993 Architectonicidae of the Indo-Pacific (Mollusca, Gastropoda), Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF), 30 (p.125)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.248)
  • Adams, A. 1855 Description of twenty-seven new species of shells from the collection of Hugh Cuming, Esq, Proceedings of the Zoological Society of London, 22 (p.317) 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
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