Smithsonian National Museum of Natural History: Dinosaurs PaleobiologyNational Museum of Natural HistorySmithsonian Institution
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TOP 10 MISCONCEPTIONS ABOUT DINOSAURS
  1. Dinosaurs represent failure and extinction.
  2. Dinosaurs and "humans" coexisted.
  3. Dinosaurs were either all hot-blooded or all cold-blooded.
  4. The word dinosaur means "terrible-lizard."
  5. Whatever you read in the latest "dinosaur book" or see on T.V. or in the movies must be true.
  6. Dinosaurs all lived and died at the same time.
  7. Mammals arose after the dinosaurs, or helped drive them into dinosaurs into extinction by eating their eggs.
  8. An asteroid (or comet) killed the dinosaurs.
  9. All big reptiles from the prehistoric past ("Monsters") are dinosaurs.
  10. Archaeologists dig up dinosaurs.

7. Mammals arose after the dinosaurs, or helped drive them into extinction by eating their eggs.
Mammals and dinosaurs both appeared in the Late Triassic Period. There is no evidence that dinosaurs went extinct because of predation on their eggs.