there was animal life 4.8 million years ago
1-1.8 million years ago was approximately 0.2-0.8 million years ago.
16 million years ago approximately
dinosaurs
The first Animal alive was a Bird or a shark and they were both discovered 544 million years ago.
sea sponges. they are also the first animal, appearing approx 580 million years ago
The Mesozoic Period (251 - 65 million years ago) lasted approximately 216 million years. It consisted of the Triassic Period (251 - 200 million years ago), the Jurassic Period (199-146 million years ago) and the Cretaceous Period (145 - 65 million years ago).
From about 180 million years ago until about 65 million years ago.
Pangaea formed about 300 million years ago and began to rift about 200 million years ago.The formation and falling apart of super continents appears to be cyclical. Pangaea is the fourth super continent in Earth's history.Known super continents:Columbia (2 billion years to 1.8 billion years ago)Rodinia (1.1 billion years ago to 750 million years ago)Pannotia (600 million years ago to 540 million years ago)Pangea (300 million years ago to 200 million years ago)
From about 300 million years ago to 180 million years ago.
The Ordovician lasted for 47 million years from 490 to 443 Million Years Ago.
The dinosaurs came onto earth approximately 245 million years ago. They became extinct about 65 million years ago.