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Taxonomy
Family:
HELICODISCIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> [unassigned] Helicina (Infraorder)
> Punctoidea (Superfamily)
> Helicodiscidae (Family)
> Lucilla (Genus)
> singleyana (Species)
Genus Synonyms:
=Hebetodiscus H.B. Baker, 1929
=Hydrophrea Climo, 1974
Synonymised Names:
=Helicodiscus (Hebetodiscus) singleyanus (Pilsbry, 1890)
=Helicodiscus singleyanus (Pilsbry, 1890)
=Hyalinia laeviuscula Sterki, 1892
=Hyalinia texana Sterki, 1892 (nomen nudum)
=Laoma (Phrixgnathus) academia Climo, 1970
=Zonites singleyanus Pilsbry, 1889
Images: Lucilla singleyana (Pilsbry, 1889)
Pataua North, E of Whangarei, Northland, NZ. 2.4mm. Reproduced courtesy of iNaturalist.nz ©openlabnz (D.J.Roscoe)
Pataua North, E of Whangarei, Northland, NZ. 2.4mm. Reproduced courtesy of iNaturalist.nz ©openlabnz (D.J.Roscoe)
Pataua North, E of Whangarei, Northland, NZ. 2.4mm. Reproduced courtesy of iNaturalist.nz ©openlabnz (D.J.Roscoe)
Holotype of Laoma (Phrixgnathus) academia Climo, 1970, collected Oct 1969, 1.83 m below layer of Waimakariri silt alluvium, Ilam University site, Christchurch, NZ (M.023252). 1.6mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype of Laoma (Phrixgnathus) academia Climo, 1970, collected Oct 1969, 1.83 m below layer of Waimakariri silt alluvium, Ilam University site, Christchurch, NZ (M.023252). 1.6mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype of Laoma (Phrixgnathus) academia Climo, 1970, collected Oct 1969, 1.83 m below layer of Waimakariri silt alluvium, Ilam University site, Christchurch, NZ (M.023252). 1.6mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
HELICODISCIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> [unassigned] Helicina (Infraorder)
> Punctoidea (Superfamily)
> Helicodiscidae (Family)
> Lucilla (Genus)
> singleyana (Species)
Genus Synonyms:
=Hebetodiscus H.B. Baker, 1929
=Hydrophrea Climo, 1974
Synonymised Names:
=Helicodiscus (Hebetodiscus) singleyanus (Pilsbry, 1890)
=Helicodiscus singleyanus (Pilsbry, 1890)
=Hyalinia laeviuscula Sterki, 1892
=Hyalinia texana Sterki, 1892 (nomen nudum)
=Laoma (Phrixgnathus) academia Climo, 1970
=Zonites singleyanus Pilsbry, 1889
Details: Lucilla singleyana (Pilsbry, 1889)
Size/Grows to:
Width 2.4mm, Height 0.9mm
Distribution:
North and South Island
Geographical Range:
L.N.S.
Notes:
Subterranean, Land, Endemic to North America, occurring naturally from New Jersey south to Florida, and west to Arizona. Introduced to California, and apparently also to Europe and New Zealand
Distribution Map
 
References and Publications
  • Barker, G.M. 1999 Naturalised Terrestrial Stylommatophora (Mollusca: Gastropoda), Fauna of New Zealand, Manaaki Whenua Press (p.69)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.331)
  • Climo, F.M. 1974 Description and affinities of the subterranean molluscan fauna of New Zealand, New Zealand Journal of Zoology, 1(3) (p.271)
  • Pilsbry, H.A. 1890 New and little known American molluscs. No. 1, Proceedings of the Academy of Natural Sciences of Philadelphia, 41 (p.84) 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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