closeup of small ammonite prehistoric fossil on stone. found on jurassic coast, near lyme bay, uk. archeology

ammonite amonite animal background bay black cephalopod circular closeup coast coil creature detail evolution extinct fossil fossilization fossilized geological geology geometry gray jurassic lyme macro marine mineral natural nature nautilus paleontology pattern prehistoric prehistory rock science sea seashell shell skeleton snail spiral stone texture textured white