Muricidae - Rapaninae: Dicathais orbita  (Gmelin, 1791) ('common cartrut-shell')  

Synonym(s): orbita Gmelin, 1791 succincta Lamarck, 1816 textilosa Lamarck, 1816 scalaris Menke, 1829 aegrota Reeve, 1846 vector Thornley, 1952.

Figures a-b: 85 mm, Taroona, TAS (S), coll. S. Grove. Figures c-d: 40 mm, Fossil Bluff, TAS (N), coll. S. Grove. Figures e-f: 27 mm, Eaglehawk Neck, TAS (E), coll. S. Grove. Figures g-h: 31 mm, Bicheno, TAS (E), coll. S. Grove. Figures i-j: 19 mm, Maria Island, TAS (E), coll. S. Grove.

Typical shell-length 70 mm. Shell surface may be almost smooth, nodulose, or corrugated into alternating spiral grooves and ridges. Juvenile shells are often brown and thin-shelled, but adults are usually off-white and thick-shelled.  Lives intertidally and subtidally amongst rocks and seaweed, especially in exposed environments.  Native. Occurs in southeastern and southwestern Australia (QLD, NSW, TAS, VIC, SA and WA); also New Zealand.  In Tasmanian waters, this is a widespread and common species.


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