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Amalda australis (G.B. Sowerby I, 1830)Species Images
Bream Bay, Whangarei. 29mm
A common Olive Shell found buried in sand in shallow water
Alive coming out of the sand at low tide. Nelson, NZ. Animal 30-35mm
Alive coming out of the sand at low tide. Nelson, NZ. Animal 30-35mm
Taxonomy: Amalda australis (G.B. Sowerby I, 1830)
Classification:
Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > Neogastropoda (Order) > Olivoidea (Superfamily) > Ancillariidae (Family) > Amalda (Genus) > australis (Species)
Family:
ANCILLARIIDAE
Synonymised Names:
=Amalda (Baryspira) australis (G.B. Sowerby I, 1830)
=Amalda waikopiroensis (Suter, 1917)
=Ancillaria australis G.B. Sowerby I, 1830
=Ancillaria pyramidalis Reeve, 1864
=Baryspira australis (G.B. Sowerby I, 1830)
=Baryspira australis epacra Olson, 1956
show/hide synonyms
Details: Amalda australis (G.B. Sowerby I, 1830)
Size/Grows to:
Height 40mm, Width 18mm
Distribution:
North Island and northern part of South Island down to Banks Peninsula. From low tide to about 20 metres, in sand
Geographical Range:
ACE.
Notes:
Southern Olive, Marine, Endemic, Often found on sandy flats in harbours
Distribution Map
 
References and Publications
  • Hart, M.R. 1995 Review of the genus Amalda from New Zealand with a description of a new species & the elevation of another subspecies to full species status, World Shells, 13 (p.82)
  • 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)
  • Grange, K.R. Mar/1976 Observations on the feeding habits of Baryspira australis, Poirieria, 8(3)

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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil