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Taxonomy
Family:
HYALOGYRINIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Valvatoidea (Superfamily)
> Hyalogyrinidae (Family)
> Hyalogyra (Genus)
> expansa (Species)
Images: Hyalogyra expansa B.A. Marshall, 1988
Holotype, collected 23 Nov 1981, NW of Orete Point, Bay of Plenty, NZ (M.075124). 2.6mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
HYALOGYRINIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Valvatoidea (Superfamily)
> Hyalogyrinidae (Family)
> Hyalogyra (Genus)
> expansa (Species)
Details: Hyalogyra expansa B.A. Marshall, 1988
Size/Grows to:
Width 2.6mm, Height 1.4mm
Distribution:
White Island to Cape Palliser, 1037-1100 metres on large bored log
Geographical Range:
AC
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A. 1988 Skeneidae, Vitrinellidae and Orbitestellidae (Mollusca: Gastropoda) associated with biogenic substrata from bathyal depths off New Zealand and New South Wales, Journal of Natural History, 22 (p.982) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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