Mytilidae: Xenostrobus securis  (Lamarck, 1819) ('axe-head mussel')  

Synonym(s): securis Lamarck, 1819 vexillum Reeve, 1857 confusus Angas, 1871 fluviatilis Hutton, 1878.


Figures a-c: 30 mm, Middleton, TAS (S), coll. S. Grove. Figure d: 35 mm, Woodbridge, TAS (S), coll. S. Grove. Figure e: 13 mm, Margate, TAS (S), coll. S. Grove.

Typical shell-length 38 mm. Shell typically blue-black and often worn to white towards the umbones.  Lives intertidally amongst seaweed and seagrass in estuarine and other environments with freshwater influence.  Native. Occurs in southeastern and southwestern Australia (QLD, NSW, TAS, VIC, SA and WA); also New Zealand, Japan and the Mediterranean.  In Tasmanian waters, this is a widespread species; locally common in the S; rarer elsewhere.

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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: Tue Apr 25 08:46:21 Tasmania Standard Time 2017