palaeozoic

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alternative spelling of Paleozoic
{s} of the Paleozoic Era, pertaining to the early geological period in which fish reptile and insects first appeared on Earth
Paleozoic
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
Paleozoic
The Paleozoic era
Paleozoic
Of a geologic era within the Phanerozoic eon and 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
paleozoic
See Chart of Geology
paleozoic
A geological term denoting the time in Earth history between 570 and 245 million years ago
paleozoic
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
paleozoic
Geologic era that occurred from 570 to 245 million years ago
paleozoic
from 544 million to about 230 million years ago
paleozoic
- A geologic era that is marked by the culmination of all classes of invertebrates except insects and the appearance of seed-bearing plants, amphibians and reptiles The Paleozoic era is divided into seven periods designated by inundations of seas The Mississippian and Pennsylvanian periods of Kentucky occurred during the Paleozoic era
paleozoic
{s} of the Paleozoic Era, pertaining to the early geological period in which fish reptile and insects first appeared on Earth
paleozoic
— A geological term denoting the time in Earth history between about 570 and 245 million years ago
paleozoic
the geologic period extending from 570 to 225 million years before the present
paleozoic
An era in geologic time that spans from 570 to 245 million years before the present
paleozoic
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paleozoic
An era of geologic time, from the end of the Precambrian to the beginning of the Mesozoic, spanning the time between 544 and 248 million years ago The word Paleozoic is from Greek and means "old life "
paleozoic
The era containing the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian periods It is usually divided into upper and lower with three periods in each division
paleozoic
The interval of geologic time from the Cambrian through the Permian Periods, roughly 540 to 245 million years ago
palaeozoic
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