Mactridae - Mactrinae: Mactra (Mactra) australis  Lamarck, 1818 ('southern trough-shell')  

Synonym(s): australis Lamarck, 1819 glabrata Schröter, 1788 (non Linnaeus) polita Chemnitz in Reeve, 1854.

Figures a-c: 36 mm, Black River Beach, TAS (N), coll. S. Grove.

Typical shell-length 40 mm. Shell normally with some purplish-brown staining. Relatively narrowly triangular outline.  Lives subtidally in sand, especially in moderately exposed environments.  Native. Endemic to southeastern and southwestern Australia (TAS, VIC, SA and WA).  In Tasmanian waters, this is an uncommon species; scattered records on the N and NE coasts and around Flinders Island.


Information and disclaimer: The web-pages on this web-site are generated from an underlying database. These can be cited as Grove, S.J. (2017). A Guide to the Seashells and other Marine Molluscs of Tasmania web-site and database respectively. Whilst great care is taken to accurately identify specimens featured on this web-site and to allocate all records to the most appropriate taxonomic names available, no guarantee is offered that all identifications are accurate, nor that the taxa to which they have been allocated are currently valid. Commentaries on habitat, distribution and biology are also subject to change as new information comes to light. If you have any enquiries, or any comments that will help improve the content or appearance of these pages, then please follow the links from 'contact' on the left-hand panel.

Last build: Sun Jun 11 08:07:41 Tasmania Standard Time 2017