Palaeozoic era


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Related to Palaeozoic era: Mesozoic era, Cenozoic era

Palaeozoic era

an era of 350 million years duration, from the beginning of the CAMBRIAN PERIOD to the end of the PERMIAN PERIOD, lasting from 590 to 240 million years ago.
References in periodicals archive ?
It has long been believed that ancient forests did not respond to climate changes in a significant manner, but a new study published in Nature Geoscience focusing on the Palaeozoic Era reveals that such forests and climate were closely interconnected.
The Permian covers the upper part of the Palaeozoic era (after the Pennsylvanian), thought to have covered a period between 280 and 225m years ago.
The Acanthodii group of fish are also known as 'spiny sharks' owing to their appearance and, from what we know to date, they only lived during the Palaeozoic Era and reached their maximum level of diversity in the Devonic period.