Ключевые слова: abstract, ammonite, amonite, ancient, animal, background, cephalopod, circle, circular, closeup, coil, color, colorful, detail, environment, evolution, extinct, fossilized, geological, geology, gradient, jurassic, macro, marine, mineral, natural, nature, nautilu, orange, paleontology, pattern, prehistoric, prehistory, purple, rock, rough, sea, seashell, shell, skeleton, snail, spiral, stone, structure, swirl, texture, textured, violet, year,