Respuesta :

Answer:

I think it should be about maybe the times of the dinosaurs

also I think 23 to 16 billion years

Explanation:

No explanation sorry if im wrong

Mammals are the animals of the vertebrate group with the presence of the mammary gland. About 16-23 billion years ago hooved animals lived before humans.

What are hoofed mammals?

Hoofed animals or mammals the even and odd-toed ungulates that have toes in their feet region used to balance their body weight. They have a nail-like case known as a hoof.

Hoofs protect the feet area and enable fast running in mammals. Some examples of hoofed mammals are a cow, zebra, antelope, moose, horse, deer, etc.

Therefore, humans evolved in the Oligocene Epoch and the mammals in the Cretaceous or the Jurassic period.

Learn more about mammals here:

https://brainly.com/question/11059672