dinosauria definition

  • noun-plural:
    • An order of extinct mesozoic reptiles, mainly of large-size (whence title). Notwithstanding their particular size, they present birdlike characters into the skeleton, esp. into the pelvis and hind limbs. Some wandered on their three-toed hind legs, thus creating the big “bird tracks,” alleged, of mesozoic sandstones; other people were five-toed and quadrupedal. See Illust. of compsognathus, additionally example of Dinosaur in Appendix.
    • An order of extinct mesozoic reptiles, mostly of large size (whence title). Notwithstanding their dimensions, they provide birdlike characters in skeleton, esp. within the pelvis and hind limbs. Some wandered on the three-toed hind foot, hence creating the large “bird tracks,” so-called, of mesozoic sandstones; other individuals had been five-toed and quadrupedal. See Illust. of compsognathus, also example of Dinosaur in Appendix.
  • others:
    • several extinct Mesozoic reptiles, mainly of gigantic or colossal dimensions.
    • several extinct Mesozoic reptiles, mostly of gigantic or colossal size.

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