Toothless 'dragon' pterosaurs filled late Cretaceous skies

August 19, 2014 2:59 PM

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"This shift in dominance from toothed to toothless pterodactyloids apparently reflects some fundamental changes in Cretaceous ecosystems," said Alexander Averianov.

Azhdarchidan pterosaurs boasted some of the largest flying animals ever to glide through the skies, with some specimens featuring wingspans stretching 30 to 40 feet. Azhdarchidan pterosaurs derive their name from "Aždarha," which is the Persian word for dragon. The so-called dragons apparently enjoy...

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