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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 - Hypsogastropoda - Family: Anabathridae

Anabathridae

 

Genus: Amphithalamus

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

Genus: Amphithalamus (Notoscrobs)

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

Genus: Anabathron (Scrobs)

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

Genus: Microdryas

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

Genus: Pisinna

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

Genus: Pseudestea

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