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Throughout the Mesozoic era the roles mammals could take on was limited because many of those roles were already filled by dinosaurs. After the extinction event that competition was removed and the mammals could take on new roles.

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What is the great age of mammals called?

The current era is the "great age of mammals," the Cenozoic. The Mesozoic was the age of dinosaurs.


What period is the age of the mammals?

Mammals first evolved during the Mesozoic, the age of dinosaurs. After the dinosaurs died out, the Cenozoic began and mammals diversified until they dominated the land. Currently, we still live in the Cenozoic, so, technically, the Cenozoic could be called "the age of mammals."


How long is the age of mammals?

It is thought that the age of mammals started when the dinosaurs died out 65 million years ago.


What vertebrate did not live during the time of the dinosaurs?

The modern-day mammal, specifically the placental mammals, did not live during the time of the dinosaurs. While some early mammals existed during the Mesozoic Era, they were small and not the diverse group we see today. The major diversification of placental mammals occurred after the dinosaurs went extinct around 66 million years ago. Thus, many of the mammals we are familiar with today emerged long after the age of dinosaurs had ended.


How long ago was the age of mammels?

The Age of Mammals, known as the Cenozoic Era, began around 66 million years ago after the extinction of the dinosaurs. This era continues to the present day, making mammals the dominant terrestrial vertebrates for approximately 66 million years. Therefore, the Age of Mammals is still ongoing and has not "ended."


Mammoth a dinosaurs?

No. Mammoths are from the ice age not the Mesozoic era (dinosaur age).


Did animals have fur during the dinosaur age?

Primitive mammals, with fur, did exist during the age of dinosaurs. It has sometimes been speculated that mammals caused or helped to cause the extinction of the dinosaurs by eating dinosaur eggs.


What is the name for the modern era which began approximtely 65 million years ago with the mass extinction of the dinosaurs?

The modern era that began approximately 65 million years ago with the mass extinction of the dinosaurs is called the Cenozoic era. It is also known as the Age of Mammals, as mammals began to dominate the Earth during this time.


What is a nickname for the mesozoic era?

"Age of the dinosaurs" is a common nickname for the Mesozoic Era because it was a period when dinosaurs dominated the Earth.


What points marks the boundary between the age of the dinosaurs and the age of mammals?

Between 65.5 and 146 million years ago.


Where there mammals during the dinosaur age?

Yes. The first mammals appeared only about ten million years after the first dinosaurs in the Triassic period.


What kind of animals lived in Paleozioc?

the paleozioc was the age of dinosaurs. the first small mammals first appeared in this time