Ключевые слова: ammonite, ammonites, ammonoid, ammonoidea, ammonoids, ancient, animal, archaeology, archeology, background, being, cephalopod, closeup, creature, detail, earth history, excavation, fossil, fossilized, geological, geology, helical, helix, historical, history, living being, natural, nature, old, paleontological, paleontology, past, petrification, petrified, snail, spiral, spiralshaped, texture, textured, two,