Àsíkò Ìgbéàtijọ́

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Àsíkò Ìgbéàtijọ́
542 - 251 ẹgbẹgbẹ̀rún ọdun sẹ́yìn
Key events in the Paleozoic
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-550 —
-500 —
-450 —
-400 —
-350 —
-300 —
-250 —
An approximate timescale of key Paleozoic events.
Axis scale: millions of years ago.

The Paleozoic or Palaeozoic Era (from the Greek palaios (παλαιός), "old" and zoe (ζωή), "life", meaning "ancient life") is the earliest of three geologic eras of the Phanerozoic Eon. The Paleozoic spanned from roughly 542 to 251 ẹgbẹgbẹ̀rún ọdún sẹ́yìn (ICS, 2004), and is subdivided into six geologic periods; from oldest to youngest they are: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. Fish populations exploded in the Devonian. During the late Paleozoic, great forests of primitive plants throve on land forming the great coal beds of Europe and eastern North America. By the end of the era, the first large, sophisticated reptiles and the first modern plants, (conifers) had developed.

The Paleozoic Era ended with the largest mass extinction in Earth's history, the Permian-Triassic Extinction Event. The effects of this catastrophe were so devastating that it took life on land 30 million years to recover.[1] Recovery of life in the sea may have been much faster.[2]


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

Preceded by Proterozoic Eon 542 Ma - Phanerozoic Eon - Present
542 Ma - Paleozoic Era - 251 Ma 251 Ma - Mesozoic Era - 65 Ma 65 Ma - Cenozoic Era - Present
Kámbríà Ọ̀rdòfísíà Sílúríà Dẹfoníà Eléèédú Pẹ́rmíà Tríásíkì Jùrásíkì Ẹlẹ́fun Ìbíniàtijọ́ Ìbíniọ̀tun Quaternary