In Reply to: one says yes, one no, help anyone else. posted by sandgroper on Wednesday, 27. August 2008 at 14:38 Bali Time:
They come under Animal Products
* Shells & coral (including jewellery & souvenirs)
They will be inspected, some may need treatment before being allowed in, others will be permitted after inspection.
http://www.daffa.gov.au/aqis
http://www.customs.gov.au/site/page.cfm