Category:Extant Ordovician first appearances

This category includes biological taxa that evolved during the Ordovician period of geologic time, between 485.4 and 443.8 million years ago and have not yet gone extinct.

Subcategories

This category has only the following subcategory.

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C

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Pages in category "Extant Ordovician first appearances"

The following 25 pages are in this category, out of 25 total.

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A

B

C

E

F

G

H

L

M

N

O

P

R

S

T

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This category content has been reduced to only pages contained in the ZIM file.

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