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Certainly fossilized parts of dinosaurs had been found for centuries but people didn't know exactly what they were. They were mistaken for all sorts of animals.
I think it was Othniel Charles Marsh in the mid-to-late 19th century who first systematically collected dinosaur fossils and assembled them so that it became clear what they were and how they were related.
What else can I help you with?
When did the first dinosaurs appeared on earth?
The first dinosaurs appeared on earth about 250 million years ago just after the Permian-Triassic mass extinction. The Triassic dinosaurs weren't too fierce and they were mainly neutrally defensive, which means they don't attack unless provoked.
What era did the first dinosaur appear in?
The first dinosaurs lived in the beginning of the Mesozoic Era (or the Age of Reptiles). Birds were amazingly discovered to be dinosaurs so dinosaurs were also alive in the Cenozoic (that's our time-the Age of Mammals) to today.
When did first birds appear?
The first birds appeared during the Jurassic period, around 150 million years ago. They are believed to have evolved from small theropod dinosaurs.
Did mammals appear in the fossil record before dinosaurs or after?
Mammals actually first came into existence about 220 million years ago, which is about 155 million years before the dinosaurs went extinct, and only about 10 million years after they themselves first evolved. So mammals actually lived alongside the dinosaurs, though played a much smaller role.
Who was the first to discover the earth's diameter?
Eratosthenes
Who was the first to discover dinosaurs?
The palentologist did.
What day were dinosaurs first discover?
12 .b.c 12 .b.c
Will scientists discover new dinosaurs?
Paleontologists are constantly discovering new dinosaurs. This will probably continue for a very long time to come.
Who came first the dinosaurs or the Victorians?
The dinosaurs.
Who came first dinosaurs or egg?
dinosaurs
Which animal was alive first birds or dinosaurs?
Dinosaurs evolved first and then some dinosaurs evolved into birds. So all birds are technically dinosaurs.
Who came first dinosaurs or human?
Humans came after Dinosaurs.
Who was first jusus or dinosaurs?
dinosaurs because there were no humans around when the dinosaurs were around.
What came first sharks or dinosaurs?
Shark
When did the beliefs of dragons begin?
When people started to discover the fosils of dinosaurs, they assumed these creatures still existed. The first concept of dragons originated in China hundreds of years ago.
Dinosaurs first appeared in what period?
Dinosaurs first appeared in the tertiary stages of the Earth. Tertiary was when the dinosaurs ruled the earth. Then there was jurassic and then creteacious
How big were the first dinosaurs?
The first dinosaurs evolved from fishes and were no bigger than these days crocodiles.
