Dinosaur Fossils

2 words in this vocabulary list

noun a bony plate or scale that forms part of the dermal armor of certain reptiles

  • The osteoderms of the crocodile provide protection and support for its body.
  • Check out the cool bony plates on the crocodile's back, those are called osteoderms.
  • That croc's got some serious armor with those osteoderms!
  • Just like the osteoderms on a crocodile, sometimes we need to put up our own barriers for protection.

adjective relating to or denoting the earliest period of the Mesozoic era, between the Permian and Jurassic periods

  • The Triassic period occurred approximately 252 to 201 million years ago.
  • Did you know that dinosaurs first appeared in the Triassic period?
  • The Triassic era was when the cool dinosaurs roamed the earth.
  • Exploring the Triassic period is like taking a journey back in time.