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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
In beach drift, Rarawa, Far North, NZ. 9.5mm
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:
Northland east coast to East Cape. Also central and western Pacific, New Caledonia
Geographical Range:
KA
Notes:
Marine, 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)

Key to Geographical Ranges
NZ Map showing Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approximation of the range of each species within New Zealand.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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