The biggest shakeup for dinosaurs since that big space rock.
March 22, 2017 5:45 PM Subscribe
Ornithoscelida Rises: A New Family Tree for Dinosaurs
Today sees the publication of a significant new technical paper on dinosaur phylogeny. And it’s a game-changer or watershed study, one of those that will get cited a phenomenal amount and result in a distinct pre- and post-2017 marker in the literature. The paper concerned – published in Nature and authored by Matthew Baron, David Norman and Paul Barrett – argues that the consensus view of dinosaur phylogeny is inaccurate, that Saurischia of convention (the sauropodomorph + theropod clade) is not monophyletic, and that theropods are closer to ornithischians than they are to sauropodomorphs (Baron et al. 2017). This is surprising stuff in view of the apparently robust, conventional and well-supported view that Saurischia of traditional is natural, a hypothesis that has been well bolstered by substantial study and the gradual accruing of data.If you don't happen to be a big dinosaur nerd, just know that this is a bonkers development.
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