Meaning Of The Word Ordovician
What's the definition of Ordovician? Find Ordovician meanings, definitions and more at the Real Dictionary online.
Ordovician Meaning
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What's The Definition Of Ordovician?
Ordovician in American English
designating or of the second geologic period of the Paleozoic Era, characterized by the development of abundant marine invertebrates and the first vertebrates adjective: noting or pertaining to a geologic period of the Paleozoic Era, from 500 million to 425 million years ago, notable for the advent of fish noun: the Ordovician Period or System Ordovician in British English adjective: of, denoting, or formed in the second period of the Palaeozoic era, between the Cambrian and Silurian periods, which lasted for 45 000 000 years during which marine invertebrates flourished noun |
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