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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
N =
North Island
S =
South Island
E =
Endemic
I =
Introduced
Gastropoda - Caenogastropoda - Hypsogastropoda - Family: Anabathridae

Anabathridae

 

Genus: Amphithalamus

 
Amphithalamus falsestea (Ponder, 1968)
Height 2.15mm, Width 1.06mm
North Island. Under stones near low tide [ACE.]
 
1.56mm, Width 0.91mm
North Island [ACE.]
 
Amphithalamus latisulcus (Ponder, 1968)
Height 1.34mm, Width 0.76mm
Northland to Banks Peninsula. On soft coralline, rock pools at low tide [ACE.]
 
Amphithalamus semen (Odhner, 1924)
Height 1.5mm, Width 1.7mm
Northland to Banks Peninsula, on coralline algae [ACME.]
 

Genus: Amphithalamus (Notoscrobs)

 
Height 1.5mm, Width 0.8mm
Off Three Kings Islands and Northland [AE.]
 
Height 1.3mm, Width 0.8mm
Northland [AE.]
 
Kermadec Islands [K.]
 

Genus: Anabathron (Scrobs)

 
Height 0.9mm, Width 0.6mm
Off Northland [AE.]
 
Height 1.1mm, Width 0.45mm
Northland to Hauraki Gulf [AE.]
 
Height 1.52mm, Width 0.76mm
Northland [AE.]
 
Width 0.7mm, Height 1.2mm
North Island. Northland to Wellington. Common on under sides of clean smooth stones at low tide [ACFME.]
 
Height 1.0mm, Width 0.5mm
Off Three Kings Islands and Northland [ACE.]
 
Height 0.98mm, Width 0.69mm
Off Northland [AE.]
 
Height 1.5mm, Width 0.8mm
Stewart Island [FAnE.]
 

Genus: Microdryas

 
Microdryas striatus (Powell, 1927)
Height 1.5mm, Width 0.6mm
Off Three Kings Islands to Northland [AE.]
 

Genus: Pisinna

 
Pisinna angustata Powell, 1927
Height 1.7mm, Width 0.5mm
Three Kings Islands to Bay of Plenty [AE.]
 
Pisinna asymmetrica (Laws, 1941)
Height 1.95mm, Width 0.875mm
Off Northland to Bay of Plenty [AE.]
 
Pisinna hipkinsi (Ponder, 1965)
Height 2.375mm, Width 1.3mm
Far North, Northland [AE.]
 
Height 2.6mm, Width 0.95mm
Chatham Islands [ME.]
 
Height 2.55mm, Width 1.1mm
Off Three Kings Islands to East Cape [AE.]
 
Pisinna juddi (Ponder, 1968)
Height 1.5mm, Width 0.77mm
Bay of Plenty [ACE.]
 
Pisinna manawatawhia (Powell, 1937)
Height 2.7mm, Width 1.4mm
Off Three Kings Islands [AE.]
 
Pisinna micronema (Suter, 1898)
Height 2.8mm, Width 1.2mm
South of South Island, Stewart and Snares Islands [FAnE.]
 
Height 1.9mm, Width 0.7mm
Chatham Islands [ME.]
 
Pisinna minor (Suter, 1898)
Height 1.55mm, Width 0.7mm
South of South Island, Auckland and Chatham Islands, from low tide to deep water [FMAnE.]
 
Height 2.3mm, Width 1.1mm
Northland to Banks Peninsula [ACME.]
 
Pisinna praecidecosta (Ponder, 1965)
Height 3.7mm, Width 1.78mm
Off Three Kings Islands and Northland [AE.]
 
Pisinna rekohuana (Powell, 1933)
Height 2.0mm, Width 1.9mm
South of East Cape and southern Islands [CFMAnE.]
 
Height 3.2mm, Width 1.5mm
Northland to Mahia Peninsula [AE.]
 
Pisinna rufoapicata (Suter, 1908)
Height 3.6mm, Width 1.6mm
South of South Island, Snares and Chatham Islands [CFMAnE.]
 
Pisinna rugosa recens (Ponder, 1968)
Height 3.3mm, Width 1.6mm
Northland to W Bay of Plenty [AE.]
 
Pisinna semiplicata (Powell, 1927)
Height 2.4mm, Width 1.2mm
North east of North Island [ACE.]
 
Pisinna semisulcata (Hutton, 1885)
Height 3.7mm, Width 1.7mm
North east of North Island [AE.]
 
Pisinna subfusca (Hutton, 1873)
Height 2.8mm, Width 1.4mm
South Islands, Stewart, Snares and Chatham Islands [CFMAnE.]
 
Height 3.05mm, Width 2.1mm
W of Three Kings Islands [AE.]
 
Pisinna subrufa (Powell, 1937)
Height 2.0mm, Width 1.0mm
Off Three Kings Islands [AE.]
 
Pisinna zosterophila (Webster, 1905)
Height 2.15mm, Width 0.98mm
Upper North Island [AE.]
 

Genus: Pseudestea

 
Pseudestea crassiconus (Powell, 1933)
Height 1.26mm, Width 0.86mm
Off Three Kings Islands and Northland [AE.]