Creatures that lived in the Silurian period; a geologic period and system that extends from the end of the Ordovician Period, about 443.8 ± 1.5 million years ago, to the beginning of the Devonian Period, about 419.2 ± 3.2 Ma.

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Pages in category "Silurian Creatures"

The following 2 pages are in this category, out of 2 total.