Azhdarcho lancicollis, a pterodactyloid pterosaur

Azhdarcho lancicollis was a large pterodactyloid pterosaur with an estimated wingspan of about 4 to 6 meters (13 to 19.5 feet). It was named in 1984 by Russian paleontologist Lev Nessov. Azhdarcho lived during the Late Cretaceous, some 92 million years ago, in what is now Uzbekistan, and is known from isolated bones belonging to several individuals.

The closest relatives of Azhdarcho include some of the largest flying vertebrates ever, the species Quetzalcoatlus northropi, Arambourgiania philadelphiae, and Hatzegopteryx thambema, all of which belong to the clade Azhdarchidae, named after Azhdarcho.

Featured image © Andrey Atuchin.

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