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Key to 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 approxomation 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
E =
Endemic
I =
Introduced
Gastropoda - Caenogastropoda - Neogastropoda - Family: Olividae

Olividae

 

Genus: Amalda (Baryspira)

 
Amalda (Baryspira) australis (G.B.Sowerby I, 1830)
Height 40mm, Width 18mm, Olive. Endemic
North Island and northern part of South Island. From low tide, in sand [ACE.]
Amalda (Baryspira) bathamae (Dell, 1956) (=bathami Dell)
Height 25mm, Width 13mm, Endemic
Off eastern Otago, South Island [FE.]
Amalda (Baryspira) depressa (G.B.Sowerby II, 1859)
Height 20mm, Width 12mm, Olive. Endemic
North Island and northern part of South Island [ACE.]
Amalda (Baryspira) mucronata (G.B.Sowerby I, 1830)
Height 55mm, Width 24mm, Olive. Endemic
North Island and northern part of South Island [ACE.]
Endemic
Kermadec Islands. Dead specimens washed up on beaches, and to 274 metres [K.AE.]
 
Endemic
Fiordland [FE.]
 

Genus: Amalda (Gracilispira)

 
Height 9.2mm, Width 4.2mm, Endemic
Southern South Island, Auckland and Chatham Islands. Trawled 350-600 metres [FMAnE.]
 
Height 17mm, Width 8mm, Olive. Endemic
NE North Island, shallow [AE.]
Amalda (Gracilispira) novaezelandiae (G.B.Sowerby II, 1859)
Height 15mm, Width 6mm, Olive. Endemic
North Island and north part of South Island [ACME.]