Earth Eras Info, Articles and Videos

The time span of Paleozoic Era was 538.8 million years to 251.9 million years ago, while it's duration was approx. 286.898 million years.

The time span of Paleoarchean Era was 3,600 million years to 3,200 million years ago, while it's duration was approx. 400 million years.

The time span of Mesoarchean Era was 3,200 million years to 2,800 million years ago, while it's duration was approx. 400 million years.

The time span of Neoarchean Era was 2,800 million years to 2,500 million years ago, while it's duration was approx. 300 million years.

The time span of Mesoproterozoic Era was 1,600 million years to 1,000 million years ago, while it's duration was approx. 600 million years.

The time span of Mesozoic Era, was 251.9 million years to 66 million years ago, while it's duration was approx. 185.902 million years.

The time span of Cenozoic Era was 66 million years to 0 million years ago, while it's duration was approx. 66 million years.