Old Stone AgeTechnology Mammoth-bone dwellings c. 15,000 BCENotable Ice Age hunters in Ukraine build huts from mammoth bones and tusks. ▲ MattersSaveShareTrace roots Longest chain: The Big Bang → First stars ignite → Supernovae seed heavy elements → The Sun forms → Earth forms → First oceans → First life → Photosynthesis evolves → Great Oxidation Event → Complex cells (eukaryotes) → Multicellular life → First animals → Cambrian Explosion → First vertebrates → Jawed fish → Fish walk onto land → The amniotic egg → The Great Dying → Dinosaurs appear → Asteroid ends the dinosaurs → Early primates → Apes split from monkeys → Human line splits from chimpanzees → Walking upright → First stone tools → Genus Homo appears → Homo erectus → Control of fire → Habitual fire and cooking → Homo sapiens appears → Clothing → Eyed needles and sewn clothing → Mammoth-bone dwellings Community notesLoading notes… Learn more ranked by votesBookOlga SofferThe Upper Paleolithic of the Central Russian Plain ↗Editor's pickVideoSearch on YouTubemammoth bone dwellings Mezhyrich ↗Editor's pick