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Roman Snail

Scientific Name
Helix pomatia
Scientific Author
Linnaeus
Taxonomy
(Mollusca: Eupulmonata: Helicidae)

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Diagnostic Images

Lateral view showing spire
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Caption
Unlabelled
Source
Peter Lillywhite Museum Victoria
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Diagnostic Images (4)
Diagnostic Notes

Family characteristics of Helicidae: Shells are dextral and vary in form from discoidal to subglobose, globose and turreted to conic with an elevated spire. Shells are usually umbilicated and unicoloured but often with spiral bands. The aperature is usually rounded and lacks teeth or lamellae and the peristome is simple or reflected.

Source:

Smith, B. & J. Stanisic (1998). Superorder Pulmonata, pp. 1037-1125, in Beesley, P.L., Ross, G.J.B. & Wells, A. (eds) Mollusca - The Southern Synthesis. Fauna of Australian Volume 5. CSIRO Publishing: Melbourne, Part B viii 565-1234pp.

Shell spherical with a conical spire, very strong with thin axial lines. The aperture is round and the lip thin. The umbilicus is narrow and covered by the edge of the columella in a way that leaves only a slit-like opening visible. In some cases the umbilicus is completely covered. In old shells the periostracum is often worn away giving the surface a whitish colour. There are 4.5-5 whorls, shellsize is 32-50 mm wide and 30-50 mm high. The colour is light yellowish brown to whitish grey, often with 3 faint mauve or dark violet bands.

Source:

http://members.tripod.com/arnobrosi/snailspecies.html

More Information
Specimen Contact
Museum Victoria
Author
Ken Walker
Created
22/08/2005 10:38 AEST
Last Updated
21/10/2011 09:31 AEST
Citation
Ken Walker (2005) Roman Snail (Helix pomatia) Updated on 10/21/2011 9:31:28 AM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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