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  145.5 million years ago
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        Prosaurolophus was a herbivore. It lived in the Cretaceous period and inhabited North America.Existed from 85.8 million years ago to Maastrichtian Age. - 
  
  
        Hesperonychus was a carnivore. It lived in the Cretaceous period and inhabited North America. Its fossils have been found in places such as Alberta (Canada). Lived in a terrestrial habitat
Was a carnivore
Reproduced by laying eggs
4 different specimens have been found by paleontologists - 
  
  
        Existed from Campanian Age to 70.6 million years ago Albertonectes was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. Albertonectes lived during the Late Cretaceous and resided in North America. - 
  
  
        Tyrannosaurus was a carnivore. It lived in the Cretaceous period. Existed from Campanian Age to 66 million years ago