the ammonites, ammonoidea are an extinct subgroup of cephalopods photographed in the studio

abstract ammonidea ammonite ammonites ammonoidea amonite ancient animals are background brown cephalopod cephalopods circles circular close closeup coil design detail discovery enclosure evolution extinct fossil fossilization fossilized fossils fractal geological geology here lens macro marine mineral mollusc natural nature nautilus paleontology pattern petrified photographed prehistoric rock seashell shell snail spiral squid stone studio subgroup surface texture textured