Beautiful ammonite embedded in Septaria = Petrified sea clay. This item will be auctioned on a white marble coaster fitted on a brass stand This species: Stephanoceras (meaning: Crown horn "lived during the Bajocian period (mid Jurassic). This Ammonite went extinct and belonged to the mollusk species. An eye-catcher for every interior. Ammonites (Ammonoidea) are an extinct subclass of squid (Cephalopoda). They were related to the present Squid / octopus. Dimensions Ammonite on Marble stand / 16.5 cm x 11 cm x 7 cm Weight together with white marble coaster: 973 gr Ammonite: 9.5 cm x 11 cm x 7 cm Weight: 688 gr Note: Ammonite can be taken off from the marble coaster. Will be sent by registered mail including Track&Trace.