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Current Issue of Nature


Current Issue : Nature

Current Issue

Volume 543 Number 7646 pp463-582

23 March 2017

About the cover

The cover shows an artist’s impression of the ornithischian dinosaur Kulindadromeus looking up at a falling asymmetrical flight feather from the Archaeopterygidae family. Such feathers are known only in theropods, but if the hypothesis of dinosaur relations set out by Matthew Baron and colleagues in this issue is confirmed, this distinction will have to be revisited. Baron and his co-workers suggest that the accepted division of dinosaurs into two groups — the Saurischia and the Ornithschia — needs to be redrawn. The Saurischia includes carnivorous theropods such as Tyrannosaurus rex, and the giant sauropods such as Diplodocus; whereas the Ornithschia includes ornithopods such as Iguanodon, and armoured dinosaurs such as Triceratops and Stegosaurus. Baron and colleagues challenge this grouping based on early ornithischians and suggest that sauropods should be grouped with the early, carnivorous herrerasaurs, but that ornithischians should be grouped with theropods. Cover Image: Bob Nicholls.

This Week

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Seven Days

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