sand dinosaurs

is-a-velociraptor  asked:

If Dinosauria is the defined as last common ancestor of Iguanodon and Megalosaurus plus all its descendants, would this study mean that sauropodomorphs are no longer dinosaurs if it's true? Or would we just change how we define Dinosauria?

They’re changing how we define dinosaurs; otherwise yeah, Sauropodomorphs Are Not Dinosaurs (SAND) 

Luckily dinosaurs are now defined as Iguanodon + Megalosaurus + Diplodocus, according to that paper, and we’re saved from the befuckening