Beginnings, Evolution of Life (4600 mya-Present), Palaeozoic Era (541-252 mya), Permian Period (299-252 mya), Seed Plants, Phanerozoic Eon (541 mya-Present)
Category: Palaeozoic Era (541-252 mya)
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Beginnings, Devonian Period (419-359 mya), Amphibians, Evolution of Life (4600 mya-Present), Palaeozoic Era (541-252 mya), Phanerozoic Eon (541 mya-Present)
Beginnings, Evolution of Life: Devonian Period (419-359 mya), Amphibians
Beginnings, Cambrian Period (541-485 mya), Invertebrates, Evolution of Life (4600 mya-Present), Palaeozoic Era (541-252 mya), Phanerozoic Eon (541 mya-Present)
Beginnings, Evolution of Life: Cambrian Period (541-485 mya), Invertebrates
Beginnings, Evolution of Life (4600 mya-Present), Palaeozoic Era (541-252 mya), Phanerozoic Eon (541 mya-Present), Silurian Period (444-419 mya), jawed fish
Beginnings, Evolution of Life: Silurian Period (444-419 mya), jawed fish
Beginnings, Evolution of Life (4600 mya-Present), Ordovician Period (485-443 mya), land plants, Palaeozoic Era (541-252 mya), Phanerozoic Eon (541 mya-Present)
Beginnings, Evolution of Life: Ordovician Period (485-444 mya), land plants
Beginnings, Carboniferous Period (359-299 mya), Reptiles, Evolution of Life (4600 mya-Present), Palaeozoic Era (541-252 mya), Phanerozoic Eon (541 mya-Present)