Avril, The five rayed thing is probably just random shell impressions from bivalves, possibly brachiopods. The weird one may be an ichnofossil-the feeding pattern of a "worm", a colonial coral-like animal or least likely, a plant fragment like bark. Allen Aigen [log in to unmask] ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------