The Ordovician Period of the Paleozoic Era, in the Phanerozoic Eon.
This category contains events which happened in the Ordovician, a division of the geologic time scale. See geologic time scale for information about its divisions and how they relate to each other.
Subcategories
This category has the following 7 subcategories, out of 7 total.
G
L
P
S
Σ
Pages in category "Ordovician"
The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes.
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