This fantastic case of fossils includes a piece each of gastropod, more commonly known as snails; a crinoid stem, which were marine animals attached to the bottom of the sea; an ammonite which were ancient molluscs similar to the modern squid or octopus; a white clam, which is the largest living bivalve mollusc; a nautiloid, which was the ancestor of all other cephalopods and a piece of shark tooth. This decorative set of fossils would make the perfect gift idea for someone to start a collection and would also make a cracking addition to an existing fossil collection. The case of which the fossils are kept is approximately 8cm long, 5cm wide and 1.5cm tall. © Please do not copy text. Avena product description – Fossils in Mini Display Case.