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The ornithopods can be classified as the “bird-footed” bird hipped dinosaur. ... The ornithopods evolved in the late Triassic period and the early Jurassic period. ... In many of the later ornithopods the first and fifth fingers and toes either shrunk or vanished, leading to 3-toed feet eventually ending in blunt claws or hoof-like nails. Yet, ornithopods could walk or run on their hind legs, and balanced the body with the tail held off the ground. However, it has been hypothesized that some of the largest ornithopods may have spent much of their time on all four legs. ... They averaged about a meter in, length and were the earliest and most primitive members of the ornithopods. ...
There three other recognizable types of ornithopods. ... The iguanodontidae are believed to be the transitional form of the ornithopods.
Approximate Word count = 648
Approximate Pages = 2.6
(250 words per page double spaced)
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