Species Trocholaoma parvissima (Legrand, 1871)
Trocholaoma parvissima, dorsal view. Diameter of shell: 1.8 mm.
© Copyright John Stanisic BAAM Pty Ltd, Queensland
Trocholaoma parvissima, ventral view.
Museums
Regional Maps
Species Trocholaoma parvissima (Legrand, 1871)
Tiny Pinhead Snail
Compiler and date details
January 2014 - Dr John Stanisic
- Helix (Conulus) parvissima Legrand, W. 1871. Collections for a Monograph of Tasmanian Land Shells. Hobart : W. Legrand (without page numbers). [Sept. 1871] [sp. 39].
Type data:
Status unknown, whereabouts unknown presumed lost, Browns River, TAS. - Helix spiceri Petterd, W.F. 1879. A Monograph of the Land Shells of Tasmania. Launceston : privately published vi 55 pp. [Apr. 1879] [23].
Type data:
Status unknown, whereabouts unknown presumed lost, New Norfolk, TAS. - Laoma pipaensis Suter, H. 1894. Preliminary notes on the relation between the Helicidae of New Zealand, Tasmania, and South Africa. Annals and Magazine of Natural History 6 13: 61-65 [64] [nom. nud.].
Taxonomic Decision for Synonymy
Generic Combinations
- Trocholaoma parvissima (Legrand, 1871).
Introduction
Trocholaoma parvissima is readily distinguished by the minute size, almost smooth looking shell and high-domed spire.
Distribution
States
New South Wales, Tasmania, Victoria
Extra Distribution Information
Deua NP area, SE NSW. Also VIC and TAS
Australian Endemic.
IBRA
NSW, Tas, Vic: Australian Alps (AA), Ben Lomond (BEL), Flinders (FLI), King (KIN), South East Coastal Plain (SCP), South East Corner (SEC), South Eastern Highlands (SEH), Tasmanian Central Highlands (TCH), Tasmanian Northern Midlands (TNM), Tasmanian Northern Slopes (TNS), Tasmanian South East (TSE), Tasmanian Southern Ranges (TSR), Tasmanian West (TWE)
Distribution References
- Smith, B.J. & Kershaw, R.C. 1979. Field Guide to the Non-marine Molluscs of South-eastern Australia. Canberra : A.N.U. Press 285 pp. [150]
- 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. [176]
Ecological Descriptors
Arboreal, forest, litter-dwelling, under bark, woodland.
Extra Ecological Information
Dry forest to Snow Gum woodland
Diagnosis
Shell minute, golden brown, trochoidal with high-domed spire; last whorl descending in front; protoconch with fine spiral lirae, teleoconch sculpture of fine, moderately crowded, radial growth lines and fine spiral lirae; umbilicus minute; diameter 1.8mm.
Diagnosis References
General References
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. [176] (Tiny Pinhead Snail)
History of changes
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 06-Feb-2014 | PUNCTOIDEA | 05-Feb-2014 | MODIFIED | Dr John Stanisic |
| 12-Feb-2010 | (import) |