Amniotes arose from the ____________ during the early Carboniferous.

Question

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Amniotes are thought to have arisen from the anthracosaurs, a group of primitive tetrapods that lived during the early Carboniferous period. The anthracosaurs had several features in common with the amniotes, including an enlarged and modified temporal region of the skull, which may have been related to the development of a stronger jaw musculature and bite force. Additionally, both groups had relatively large eggs with extraembryonic membranes that allowed for reproduction on land.

Amniotes Arose from the ____________ During the Early Carboniferous