Ключевые слова: ammonite, ammonites, ammonitida, ammonoidea, ancient, ancyloceratina, animal, animals, cephalopod, cretaceous, cretaceous period, evolution, extinct, fauna, fossil, fossilized, fossils, geological, geology, heteromorphy, historical, history, many, marine, mollusc, museum, natural, natural history, nature, object, ocean, palaeontology, paleontological, paleontology, prehistoric, print, sandstone, scaphitaceae, scaphite, scaphites, scaphitidae, scaphitinae, sea, shell, shells, spiral, stone, time, wild animal, wild life, wildlife,