Category:Silurian first appearances

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Handwiki book24.pngBiology portal

Here is a list of articles in the category Silurian first appearances of the Biology portal. Biological taxa that first appeared during the Silurian Period, the geologic time between 443.8 and 419.2 million years ago, during the Paleozoic Era.

Pages in category "Silurian first appearances"

The following 65 pages are in this category, out of 65 total.

A

B

C

D

E

H

K

M

O

P

S

T

V

W

Z