First Land Herbivore: Tyrannoroter heberti
By 307 million years ago, land herbivory had already begun in early reptiles known as microsaurs.
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Reptiles
Reptiles evolved from amphibians roughly 320 million years ago. Their shelled eggs allowed them to fully transition to land, giving them an advantage over amphibians.
Proto-Play
In the shadowed forests of the Late Carboniferous, long before mammals, birds, or even dinosaurs, a few small, lizard-like amniotes began to do something remarkable — they started to move not just for need, but for pleasure. Between the still instincts of amphibians and the lively games of future mammals, something new flickered: proto-play. These
Reptile Amniotic Eggs
After about 320 million years, the next significant leap in egg evolution came with reptiles, which developed amniotic eggs. These eggs have a protective shell and specialized membranes to support development outside of water, enabling reptiles to lay eggs in terrestrial environments.
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