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en.wikipedia.org/wiki/Dinosaur

Many dinosaurs were quite small: Xixianykus, for example, was only about 50 cm (20 in) long. Since the first dinosaur fossils were recognized in the early 19th century, mounted fossil dinosaur skeletons have been major attractions at museums around the world, and dinosaurs have become an enduring part of world culture.

www.answers.com/Q/How_many_dinosaurs_were_alive_at_one_time

How many dinosaurs were alive at one time? ... Many dinosaurs, such as velociraptors, were advanced hunters that would watch their prey for days to learn about them before they attack ...

scienceviews.com/dinosaurs/dinofacts.html

However, small mammals (including shrew-sized primates) were alive at the time of the dinosaurs. Many scientists who study dinosaurs (vertebrate paleontologists) now think that birds are direct descendants of one line of carnivorous dinosaurs, and some consider that they in fact represent modern living dinosaurs.

www.activewild.com/how-long-were-dinosaurs-on-earth...

How Long Were Dinosaurs On Earth – Conclusion7. In this article we’ve found out that Dinosaurs were on Earth for between 165 and 77 million years. We’ve also found out a little about the geological timescale, and how many scientists think that dinosaurs still exist in the form of birds.

www.answers.com/Q/FAQ/3011

Dinosaurs have been alive in the Mesozoic Era. The Mesozoic Era consist of three time periods the Triassic, Jurassic, and Cretaceous. The Triassic is the oldest part of the Mesozoic Era.

www.activewild.com/how-long-ago-did-dinosaurs-live

How long ago did dinosaurs live? On this page you’ll find out when dinosaurs lived and how long they’ve been extinct. We’ll also talk a little about the Triassic, Jurassic and Cretaceous periods, and the Mesozoic era: the ‘Age of the Dinosaurs’.

www.nhm.ac.uk/discover/when-did-dinosaurs-live.html

At the end of the Triassic Period there was a mass extinction, the causes of which are still hotly debated. Many large land animals were wiped out but the dinosaurs survived, giving them the opportunity to evolve into a wide variety of forms and increase in number.

www.theguardian.com/commentisfree/2017/jun/21/what-if...

The fact is that we already know what life would be like if dinosaurs were still alive. Birds are living dinosaurs. They originated in the Jurassic and flourished with their non-avian relatives ...

www.youtube.com/watch?v=OeFnH4xux7w

About 66 million years ago an asteroid the size of Mount Everest traveling at 45,000 miles per hour hit what is now the Yucatan Peninsula in Mexico. We can’t change the past, but still: what if ...

answersingenesis.org/dinosaurs/when-did-dinosaurs-live

According to the Bible, humans and dinosaurs originally lived at the same time; they were not separated by millions of years. There are many biblical and extrabiblical clues that humans continued to have first-hand knowledge of dinosaurs after the Flood. The Bible mentions several large, mysterious animals. Dinosaurs and the Age of the Earth