Ключевые слова: ancient, animal, archaeology, big, brown, carcharodon, closeup, danger, detail, dinosaurus, earth, enamel, evolution, extinct, fish, fossil, fossilized, geology, giant, history, hunter, jaw, jurassic, marine, megalodon, nature, paleontology, pleistocene, predator, prehistoric, rock, science, serrated, shark, sharp, stone, tooth, triangular, triassic,