Palaeozoic definitions

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Palaeozoic

Palaeozoic logo #20206Era comprising the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian, spanning 545-245Ma. The Paleozoic started with an apparent evolutionary burst (the Cambrian Explosion) and ended with the largest mass extinction seen on this planet, the P-T event.
Found on http://www.encyclo.co.uk/local/20206

Palaeozoic

Palaeozoic logo #21009Paleozoic, Palaeozoic A geologic era exending from the end of the Precambrian to the beginning of the Mesozoic, dating from about 600 to 230 million years ago.
Found on http://www.wordinfo.info/words/index/info/view_unit/1555/4

Palaeozoic

Palaeozoic logo #21009Paleozooic, Palaeozoic 1. A geologic era extending from the end of the Precambrian to the beginning of the Mesozoic, dating from about 600 to 230 million years ago. 2. The rock strata formed during this era.
Found on http://www.wordinfo.info/words/index/info/view_unit/1555/4

Palaeozoic

Palaeozoic logo #20800An era of geological time between 544 and 248 million years ago. Palaeozoic means 'ancient life'. See Geological Timescale
Found on https://www.encyclo.co.uk/local/20800
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