Life on Earth during the Ordovician period.

See also the preceding Category:Cambrian life and the succeeding Category:Silurian life

Subcategories

This category has the following 9 subcategories, out of 9 total.

A

B

C

E

F

L

M

P

T

Allikas: https://en.wikipedia.org/wiki/Category:Ordovician_life
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