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Taxonomy
Family:
VERTIGINIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> Pupilloidei (Infraorder)
> Pupilloidea (Superfamily)
> Vertiginidae (Family)
> Vertigo (Genus)
> ovata (Species)
Synonymised Names:
=Pupa hexodon C.B. Adams, 1849
=Pupa ovata f. antiquorum Cockerell, 1891
=Vertigo (Alaea) ovata Say, 1822
=Vertigo ovata diaboli Pilsbry, 1919
=Vertigo ovata mariposa Pilsbry, 1919
=Zonites upsoni Calkins, 1880
=Vertigo pygmaea of authors
Images: Vertigo ovata Say, 1822
Abbey Caves area, Whangarei, Northland, NZ. 1.8mm
Taxonomy
Family:
VERTIGINIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> Pupilloidei (Infraorder)
> Pupilloidea (Superfamily)
> Vertiginidae (Family)
> Vertigo (Genus)
> ovata (Species)
Synonymised Names:
=Pupa hexodon C.B. Adams, 1849
=Pupa ovata f. antiquorum Cockerell, 1891
=Vertigo (Alaea) ovata Say, 1822
=Vertigo ovata diaboli Pilsbry, 1919
=Vertigo ovata mariposa Pilsbry, 1919
=Zonites upsoni Calkins, 1880
=Vertigo pygmaea of authors
Details: Vertigo ovata Say, 1822
Size/Grows to:
Height 2.7mm, Width 1.7mm
Distribution:
North Island
Geographical Range:
L.N.I.
Notes:
Land, Introduced, Native to North America, from Alaska and northern Canada southwards over most of the U.S.A. to Florida, the Gulf of Mexico, and California. The only known naturalised occurrence outside of North America is New Zealand
Distribution Map
 
References and Publications
  • Barker, G.M. 1999 Naturalised Terrestrial Stylommatophora (Mollusca: Gastropoda), Fauna of New Zealand, Manaaki Whenua Press (p.105)
  • Gardner, N.W. Dec/1977 Vertigo pygmaea Deshayes, Poirieria, 9(3) (p.58)
  • Willan, R.C. Sep/1977 The Chrysalis Snail (Lauria cylindracea) in New Zealand, Poirieria, 9(2) (p.28)

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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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