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Category:Early Ordovician extinctions

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Biological taxa that went extinct during the Early Ordovician epoch of geologic time, between 485.4 and 470 million years ago.

Subcategories

This category has the following 2 subcategories, out of 2 total.

G

Early Ordovician genus extinctions (2 P)

S

Early Ordovician species extinctions (1 P)

Pages in category "Early Ordovician extinctions"

The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes.

A

Acanthodus

B

Bassleroceratidae

C

E

M

Matthevia

P

R

Rangeroceratidae

T

Tarphyceratidae

U

Utahconus

V

Variabiloconus

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