Lucilla singleyana

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Lucilla singleyana
Lucilla singleyana shell.jpg
Five shells of Lucilla singleyana, scale bar is in mm
Scientific classification
L. singleyana
Binomial name
Lucilla singleyana
(Pilsbry, 1889)[2]
  • Zonites singleyanus Pilsbry, 1889
  • Helicodiscus (Hebetodiscus) singleyanus inermis H. B. Baker, 1929

Lucilla singleyana is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusk in the family Helicodiscidae.[3]

The shell of this species is about 2 mm in width.

Original description[edit]

Lucilla singleyana was originally discovered and described (under the name Zonites singleyanus) by Henry Augustus Pilsbry in 1889.[2]

Pilsbry's original text (the type description) reads as follows:


This species is Holarctic in distribution.

The indigenous distribution for this species includes North America.

Then non-indigenous distribution areas include:

This species was previously announced from the Czech Republic since 1988, but later in 2009 was all findings recognized as Lucilla scintilla.[5]

This species has been introduced to New Zealand.[7]


This species lives in soil, see soil-inhabitant. Technically this is known as being a terricol species.


This article incorporates public domain text from the reference.[2]

  1. ^ 2006 IUCN Red List of Threatened Species. <>. Cited 28 May 2007.
  2. ^ a b c Pilsbry H. A. 14 May 1889. New and little known American mollusks, no. I. Proceedings of the Academy of Natural Sciences of Philadelphia 41: 81-89, pl. 3. Description is at page 84.
  3. ^ (in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.
  4. ^ Čejka, Tomáš (2000). "First record of the land snail Helicodiscus (Hebetodiscus) singleyanus inermis H. B. Baker, 1929 (Gastropoda, Punctidae) in Slovakia". Biologia, Bratislava. 55: 475–476.
  5. ^ a b Horsák M., Šteffek J., Čejka T., Ložek V. & Juřičková L. (2009). "Occurrence of Lucilla scintilla (R.T. Lowe, 1852) and Lucilla singleyana (Pilsbry, 1890) in the Czech and Slovak Republics – with remarks how to distinguish these two non-native minute snails". Malacologica Bohemoslovaca 8: 24-27. Online serial at <> 18-June-2009.
  6. ^ Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.
  7. ^ Spencer H.G., Willan R.C., Marshall B.A. & Murray T.J. (2011). Checklist of the Recent Mollusca Recorded from the New Zealand Exclusive Economic Zone