Species Semilaoma laevis Shea & Griffiths, 2010

Semilaoma laevis, dorsal view. Diameter of shell: 1.4mm.

© Copyright John Stanisic BAAM Pty Ltd, Queensland

Semilaoma laevis, ventral view.

Museums

Regional Maps

• Semilaoma laevis Shea, M. & Griffiths, O. in Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [180, 566] [etymology: from the Latin laevis = smooth, referring to the smooth shell].

  Type data:

   Holotype AM SC390060, Lord Howe Island, Les Kings ‘The Cow Bail’, at large fig [31˚31.77'S, 159˚4.41'E].
  Paratype(s) AM SC390027; AM SC390038; AM SC403335.

Introduction

Semilaoma laevis differs from S. lidgbirdensis by the more open umbilicus. Resembles mainland Iotula microcosmos. Common and widespread.

Distribution

Extra Distribution Information

Australian Endemic.

Other Regions

Lord Howe Island terrestrial & freshwater

Distribution References

Ecological Descriptors

Forest, litter-dwelling, lowland, scrub.

Diagnosis

Shell minute, pale yellow to white, depressedly turbinate with a low-domed spire; protoconch with fine spiral lirae, teleoconch sculpture of faint, closely spaced radial ribs and fine spiral lirae; umbilicus narrowly open; diameter 1.4mm.

Diagnosis References

Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [180]

General References

Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [180]

Common Name References

Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [180] (Smooth Pinhead Snail)

History of changes