Species List for Family: Hydrocenidae
Mollusca (Phylum) > Gastropoda (Class) > Neritimorpha (Subclass) > Cycloneritida (Order) > Hydrocenoidea (Superfamily) > Hydrocenidae (Family)
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Family: Hydrocenidae
Georissa purchasi (Pfeiffer, 1862)
Height 2mm, Width 1mm, Land, North Island, South Island
North and South Islands, and Three Kings Islands L.N.S.
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 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