Category:Early Ordovician extinctions

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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