Before history, Archaean Eon (4000-2500 mya), Precambrian Superion (4560-541 mya)
Category: Before history
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Before history, Evolution of Life (4560 mya-present), Palaeozoic Era (541-252 mya), Precambrian Superion (4560-541 mya), Proterozoic Eon (2500-541 mya)
Evolution of Life, Precambrian Superion: Proterozoic Eon (2500-541 mya), Eukaryotes
Before history, Evolution of Life (4560 mya-present), Palaeozoic Era (541-252 mya), Phanerozoic Eon (541 mya-present), Silurian Period (444-419 mya)
Evolution of Life: Silurian Period, jawed fish
Before history, Earth and the Universe, Space-Time
Earth and the Universe: Space-Time
Before history, Prehistory (2700 kya-3500 BC), Stone Ages (2700-8.5 kya)
Stone Ages: Palaeolithic
Before history, Continental Drift, Supercontinents, Geological Time (4560 kya-present)
Geological Time: Continental Drift, Supercontinents
Before history, Evolution of Life (4560 mya-present), Mesozoic Era (252-66 mya), Phanerozoic Eon (541 mya-present)
Evolution of Life (145-66.0 mya): Cretaceous Period, Birds
Before history, Evolution of Life (4560 mya-present), Ordovician Period (485-444 mya), Palaeozoic Era (541-252 mya), Phanerozoic Eon (541 mya-present)
Evolution of Life: Ordovician Period, land plants
Before history, Chronology, Evolution of Life (4560 mya-present)
Evolution of Life, Chronology (4560 mya-present)
Before history, Evolution of Man (66,000-200 kya)