pygostylian
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List of fossil birds — Birds are generally believed to have evolved from certain feathered theropod dinosaurs, and there is no real dividing line between birds and dinosaurs, except of course that some of the former survived the Cretaceous Tertiary extinction event… … Wikipedia
Dinosaur size — For other large prehistoric reptiles, see Largest prehistoric organisms#Reptiles (Reptilia). Size has been one of the most interesting aspects of dinosaur science to the general public. This article lists the largest and smallest dinosaurs from… … Wikipedia
Hongshanornis — Taxobox name = Hongshanornis status = fossil fossil range = Early Cretaceous image width = 200px image caption = Reconstruction of Hongshanornis longicresta by P. Riha regnum = Animalia phylum = Chordata classis = Aves subclassis = Ornithurae?… … Wikipedia
