Ключевые слова: ammonite, ammonoidea, amonite, ancient, animal, archeology, background, black, cephalopod, closeup, era, evolution, fossil, fossilized, geological, geology, isolated, jurassic, macro, marine, mineral, natural, nature, nautilus, old, paleontology, pattern, prehistoric, prehistory, rock, sea, seashell, shell, skeleton, snail, spiral, stone, texture,