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Taxonomy
Family:
ANCILLARIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Olivoidea (Superfamily)
> Ancillariidae (Family)
> Amalda (Genus)
> depressa (Species)
Synonymised Names:
=Amalda (Baryspira) depressa (G.B. Sowerby II, 1859) accepted, alternate representation
=Ancillaria depressa G.B. Sowerby II, 1859
=Ancillaria lata Hutton, 1885
=Baryspira (Pinguispira) depressa (G.B. Sowerby II, 1859)
=Baryspira depressa (G.B. Sowerby II, 1859)
Images: Amalda depressa (G.B. Sowerby II, 1859)
From shallow water, Far North. 16mm
Taxonomy
Family:
ANCILLARIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Olivoidea (Superfamily)
> Ancillariidae (Family)
> Amalda (Genus)
> depressa (Species)
Synonymised Names:
=Amalda (Baryspira) depressa (G.B. Sowerby II, 1859) accepted, alternate representation
=Ancillaria depressa G.B. Sowerby II, 1859
=Ancillaria lata Hutton, 1885
=Baryspira (Pinguispira) depressa (G.B. Sowerby II, 1859)
=Baryspira depressa (G.B. Sowerby II, 1859)
Details: Amalda depressa (G.B. Sowerby II, 1859)
Size/Grows to:
Height 20mm, Width 12mm
Distribution:
North Island and northern part of South Island
Geographical Range:
AC
Notes:
Olive, Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Scott, I. Aug/1985 Some observations on Amalda depressa, Poirieria, 14(2) (p.13)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.208)

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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