Fossil chambers, closeup

Macro photograph of agatized chambers in an ammonite fossil (Cleoniceras cleon) from Madagascar

MLW2123AmmoniteCleonicerasCleoniceras cleonagatizedancientcephalopodchamberscloseupdetailedextinctfossilfull frameinvertebratemacromarinemollusknatureoldorangepatternssea animalssea lifestructure