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Earliest Dinosaur:

Eoraptor lunensis

Meaning of Name: “dawn plunderer”
Period:Triassic Period (240 to 205 million years ago)
Size:1 meter long

The earliest known dinosaur was Eoraptor lunensis, who is believed to have lived some 227,000,000 years ago.

Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.

Dumbest:Dinosaur Hall of FameFirst Discovered:

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