Ключевые слова: abstract, ammonite, amonite, ancient, animal, antique, cephalopod, circle, circular, closeup, coil, detail, evolution, extinct, fossil, fossilized, geological, geology, jurassic, marine, mineral, natural, nature, nautilus, old, paleontology, pattern, prehistoric, prehistory, rock, seashell, skeleton, snail, spiral, stone, swirl, texture,