Eoraptor. Art by Julius Csotonyi. Eoraptor was one of the world's earliest dinosaurs that lived ca. 231.4 million years ago, during the latter part of the Triassic Period in Western Gondwana, what is now the northwestern region of Argentina.
A Cretaceous Nigerian scene depicting a young (and speculatively feathered) abelisaurid called Kryptops disturbed from its drinking by the commotion caused by a Suchomimus plucking a young Sarcosuchus from its river habitat. - One of the ten scenes on Wired.com from an award-winning illustrator's new book, 'The Paleoart of Julius Csotonyi.'
Different Allosaurus Species and variants by FredtheDinosaurman
Velociraptor(?), Late Cretaceous (75-71 Ma), Discovered by Osborn -1924