Ключевые слова: aged, ammonite, ancestor, ancient, archaeology, biology, bone, bygone, carbon, creation, dead, deposit, dinosaur, eolith, evolution, evolve, excavation, extinct, extinction, forefather, fossil, fossilized remains, geology, impression, jurassic, mineral, mold, museum, nature, neolith, neolithic, paleolith, paleolithic, paleontology, past, petrifaction, petrified, petrified remains, prehistoric, prehistoric creature, prehistory, preservation, preserved, reconstitution, relic, remains, remnant, research, rock, science, skeleton, solid, specimen, stone, stone age, trace,