Ключевые слова: ancient, animal, animalia, animals, chordata, early permian period, evolution, extinct, fauna, fossil, fossilized, fossils, geological, geology, historical, history, museum, natural, natural history, nature, nobody, object, one, one animal, palaeontology, paleontological, paleontology, prehistoric, print, reptile, reptiles, reptilia, sandstone, seymouria, seymouria baylorensis, seymouriamorpha, seymouriidae, skeleton, skull, stone, tetrapod, time, wild animal, wild life, wildlife,