a group of fossils ammonites, shels, corals, fish on grey sand.

abstract aged ammonite ammonites ancient animal antique aquatic background beach biology black cephalopod closeup coil corals decoration design detail evolution extinct fish fossil fossilized fossils geological geology grey group illustration isolated jurassic macro marine mineral mollusk natural nature ocean old paleontology pattern petrified prehistoric prehistory rock sand science sea seashell shell shels skeleton snail spiral stone swirl texture textured