Snowy Plains footprints suggest a minimum divergence of 358.9-354 Ma.

Etymology

The term amniote comes from the amnion, which derives from Greek ?u???? (amnion), which denoted the membrane that surrounds a fetus. The term originally described a bowl in which the blood of sacrificed animals was caught, and derived from ?u??? (amnos), meaning "lamb".

Description

Zoologists characterize amniotes in part

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