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Extant Silurian first appearances

Topic: Category

 From Wikipedia - Reading time: 1 min

This category includes biological taxa that evolved during the Silurian period of geologic time, between 443.8 and 419.2 million years ago and have not yet gone extinct.

See also the preceding Category:Extant Ordovician first appearances and the succeeding Category:Extant Devonian first appearances
Licensed under CC BY-SA 3.0 | Source: https://en.wikipedia.org/wiki/Category:Extant_Silurian_first_appearances
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