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, Palaeozoic Era (541-252 mya): Devonian Period (419-359 mya), Amphibians September 22, 2025 — 0 Comments