Definitions for paleozoicˌpeɪ li əˈzoʊ ɪk; esp. Brit. ˌpæl i-

This page provides all possible meanings and translations of the word paleozoic

Princeton's WordNet

  1. Paleozoic, Paleozoic era(adj)

    from 544 million to about 230 million years ago

  2. Paleozoic(adj)

    of or relating to or denoting the Paleozoic era

Wiktionary

  1. Paleozoic(Adjective)

    Of a geologic era within the Phanerozoic eon that comprises the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian periods from about 542 to 250 million years ago, from the age of trilobites to that of reptiles.

  2. Paleozoic(ProperNoun)

    The Paleozoic era.

Webster Dictionary

  1. Paleozoic(adj)

    of or pertaining to, or designating, the older division of geological time during which life is known to have existed, including the Silurian, Devonian, and Carboniferous ages, and also to the life or rocks of those ages. See Chart of Geology

  2. Origin: [Paleo- + Gr. zwh` life, fr. zh^n to live.]

Freebase

  1. Paleozoic

    The Paleozoic Era is the earliest of three geologic eras of the Phanerozoic Eon, spanning from roughly 541 to 252.2 million years ago. It is the longest of the Phanerozoic eras, and is subdivided into six geologic periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. The Paleozoic comes after the Neoproterozoic Era of the Proterozoic Eon, and is followed by the Mesozoic Era. The Paleozoic was a time of dramatic geological, climatic, and evolutionary change. The Cambrian Period witnessed the most rapid and widespread diversification of life in Earth's history, known as the Cambrian explosion, in which most modern phyla first appeared. Fish, arthropods, amphibians and reptiles all evolved during the Paleozoic. Life began in the ocean but eventually transitioned onto land, and by the late Paleozoic, it was dominated by various forms of organisms. Great forests of primitive plants covered the continents, many of which formed the coal beds of Europe and eastern North America. Towards the end of the era, large, sophisticated reptiles were dominant and the first modern plants appeared.

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