Phanerozoic


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Related to Phanerozoic: Phanerozoic eon, Paleozoic, Proterozoic

Phan·e·ro·zo·ic

 (făn′ər-ə-zō′ĭk)
adj.
Of, relating to, or being the geologic time period from approximately 542 million years ago to the present, comprising the Paleozoic, Mesozoic, and Cenozoic Eras, and marked by an abundance of fossil evidence of life, especially higher forms, in the corresponding rocks. See Table at geologic time.
n.
The Phanerozoic Eon.

[Greek phaneros, visible (from phainein, to cause to appear; see bhā- in Indo-European roots) + -zoic.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Phanerozoic

(ˌfænərəˈzəʊɪk)
adj
(Geological Science) of or relating to that part of geological time represented by rocks in which the evidence of life is abundant, comprising the Palaeozoic, Mesozoic, and Cenozoic eras
n
(Geological Science) the Phanerozoic the Phanerozoic era
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Phan·e·ro·zo·ic

(făn′ər-ə-zō′ĭk)
The period of geologic time from about 540 million years ago to the present, including the Paleozoic, Mesozoic, and Cenozoic Eras. The Phanerozoic Eon is marked by an abundance of fossil evidence of life, especially more complex forms. See Chart at geologic time.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Phanerozoic - the period from about 5,400 million years ago until the present
Age of Mammals, Cenozoic, Cenozoic era - approximately the last 63 million years
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Phanérozoïque
References in periodicals archive ?
According to Sepkoski's (1984) classification, the transition from Paleozoic to modern fauna occurs at the Permo-Triassic boundary, at the point of the largest mass extinction in the history of Phanerozoic.
Berner, R.A., 2001, Modeling atmospheric [O.sub.2] over Phanerozoic time: Geochimica et Cosmochimica Acta, v 65, p.
Moreover, paleontologists recognize the end-Permian as representing the major Phanerozoic mass extinction episode.
By contrast, a large subject like "evaporites" is treated in a single entry, in which, in limited space, the authors attempt to produce an encyclopedic entry covering such disparate topics as the economic uses, social history, environment of formation, and geochemistry of evaporites, as well as the Phanerozoic evolution of seawater.
(1999): [sup.87]Sr/[sup.86]Sr, [delta][sup.13]C and [delta][sup.18]O evolution of Phanerozoic seawater.
The situation is somewhat better with the remnants of life, because mineralized shells go back to about 545 million years, the times known as the Phanerozoic, and morphological evidence of living things, algae and bacteria, and of fossilized stromatolites, have been found in western Australia in rocks as old as 3.5 billion years (Fig.
W, Otto (ed.): Global Events and Event Stratigraphy in the Phanerozoic, 319-333, Springer Verlag.
Proterozoic glaciations must have been unlike any subsequent glaciations of the Phanerozoic 'because they can be found on every continent....