Australian Biological Resources Study

Australian Faunal Directory

Genus Vallonia Risso, 1826

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Regional Maps

Genus Vallonia Risso, 1826

Grass-snails


Compiler and date details

March 2012 - Dr John Stanisic

 

Introduction

Vallonia is a Holarctic genus but several species have been introduced widely throughout the temperate world. In Australia it has been recorded from the south-east corner of the continent.

 

Distribution

States

New South Wales, South Australia, Tasmania, Victoria


Extra Distribution Information

Holoarctic but introduced widely throughout the temperate world. Most temperate regions, Europe, South Africa, North America, north & central Asia and Japan


Note that conversion of the original AFD map of states, drainage basins and coastal and oceanic zones to IBRA and IMCRA regions may have produced errors. The new maps will be reviewed and corrected as updates occur. The maps may not indicate the entire distribution. See further details below.
IBRA and IMCRA regions (map not available)
drainage basins and coastal and oceanic zones (map not available)

IBRA

NSW, SA, Tas, Vic: Murray Darling Depression (MDD), Sydney Basin (SB), South East Coastal Plain (SCP), South East Corner (SEC), South Eastern Highlands (SEH), Tasmanian South East (TSE)

Other Regions

Lord Howe Island terrestrial & freshwater, Norfolk Island terrestrial & freshwater

Original AFD Distribution Data

Australian Region

  • Australia
    • Lord Howe Island
    • New South Wales
    • Norfolk Island
    • South Australia
    • Tasmania
    • Victoria

Distribution References

Diagnosis

Shell very small, smooth and silky, discoidal, last whorl flares out at edge; aperture circular, lip greatly thickened and reflected; umbilicus wide. Colour translucent white.

 

History of changes

Note that this list may be incomplete for dates prior to September 2013.
Published As part of group Action Date Action Type Compiler(s)
24-Jul-2012 24-Jul-2012 MODIFIED
27-Jun-2012 27-Jun-2012 MODIFIED
16-Mar-2012 MODIFIED