Question

During which epoch did scientists infer that earliest grasses first appeared on earth?

Answer 1

The Epoch you are looking for would be Ogliocene, its where they think the first grasses appeared..

Answer 2

The Epoch you are looking for would be Ogliocene, its where they think the first grasses appeared.. The Ogliocene was in the middle of the Tertiary period and lasted 11 million years.