These Animals Are Not Dinosaurs

These Animals Are Not Dinosaurs

The dimetrodon (a mammal-like reptile often mistaken for a dinosaur) actually liked hundreds of millions of years before dinosaurs roamed the Earth.

10:19

Key Facts In This Video

  • 1

    Dinosaurs is Greek for "terrible lizards." (0:32)

  • 2

    The extra holes in the skulls of dinosaurs allow them to be larger without getting too heavy to function. (1:26)

  • 3

    Mosasaurs had double-hinged jaws like snakes, which allowed them to eat prey larger than their own heads. (8:00)

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