Carboniferous animals

'''this article is incomplete. you can help develop this article'''

Giant arthropods predominated in the Carboniferous. The cause of arthropod gigantism is a large amount of oxygen.

Amphibians continued to develop intensively throughout Carboniferous. And

the first primitive small reptiles, known as cotylosaurs, arose, which very quickly became numerous and diverse, and by the end of the Carboniferous, synapsids were formed