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When did dinosaurs live? - Natural History Museum
...Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era. This was many millions of years before the first modern humans, Homo sapiens, appeared. Scientists divide the Mesozoic Era into three periods: the Triassic, Jurassic and Cretaceous....
https://www.nhm.ac.uk/discover/when-did-dinosaurs-live.html
Dinosaur - Wikipedia
...They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is a subject of active research....
https://en.wikipedia.org/wiki/Dinosaur
Dinosaur | Definition, Types, History, Names, & Facts | Britannica
...Dinosaurs are a diverse group of reptiles that were the dominant terrestrial life form on Earth during the Mesozoic Era, about 245 million years ago. Dinosaurs went into decline near the end of the Cretaceous Period, about 66 million years ago....
https://www.britannica.com/animal/dinosaur
When Did Dinosaurs Live on the Earth? A Timeline
...Learn the complete timeline of dinosaurs on Earth, understanding when they lived and how scientists uncovered their ancient history....
https://biologyinsights.com/when-did-dinosaurs-live-on-the-earth-a-timeline/
Dinosaurs - Extinction, Timeline & Definition - HISTORY
...Dinosaurs mysteriously disappeared at the end of the Cretaceous Period, around 65 million years ago....
https://www.history.com/articles/dinosaurs-an-introduction
Dinosaurs of the Triassic, Jurassic, and Cretaceous Periods
...Explore the dinosaurs, marine animals, and other life from the Triassic, Jurassic, and Cretaceous periods....
https://www.thoughtco.com/the-three-ages-of-dinosaurs-1091932
How Did Dinosaurs Live and Thrive for Millions of Years?
...How Did Dinosaurs Live and Thrive for Millions of Years? Before there were cities, before there were humans, before flowers even bloomed on the first tree?there were dinosaurs. They roamed a planet unfamiliar to our modern eyes....
https://www.sciencenewstoday.org/how-did-dinosaurs-live-and-thrive-for-millions-of-years
Dinosaur Timeline 2025: Triassic, Jurassic, Cretaceous Eras
...The dinosaur timeline chart is a complete map of evolution itself. It spans the three major geological periods that include the Triassic, Jurassic, and Cretaceous periods....
https://edrawmind.wondershare.com/history/dinosaur-timeline.html
Explainer: The age of dinosaurs - Science News Explores
...Take a trip back to the Mesozoic Era to explore how geologic events, ecosystems and evolution were connected during the so-called age of dinosaurs....
https://www.snexplores.org/article/explainer-the-age-of-dinosaurs
Mesozoic - Wikipedia
...Dinosaurs first appeared in the Mid-Triassic, and became the dominant terrestrial vertebrates in the Late Triassic or Early Jurassic, occupying this position for about 150 or 135 million years until their demise at the end of the Cretaceous....
https://en.wikipedia.org/wiki/Mesozoic
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