Ключевые слова: above, amphibian, animal, bone, carcass, complete, dinosaur, evolution, fossil, fossilisation, fossilization, geology, high angle, historic, imprint, marine, old, paleontology, permineralization, petrifaction, petrification, petrified, preserved, remains, reptile, rock, saurian, seymouria, skeleton, stone, tetrapod,