. "251.9"^^ . . "RZ"@en . . . . . "Paleozoic Era is the first of the three eras of the Phanerozoic Eon. It includes the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian periods. It is preceded by the Neoproterozoic Era (Proterozoic Eon) and succeeded by the Mesozoic Era (Geologic Time Scale 2020, fig. 2.1; https://timescalefoundation.org/)."@en . "Paleozoic Era"@en . . "Paleozoic Era"@en . "541.0"^^ . "stable"@en .