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[dinosaur] Largest pterosaur from South America (est. 9.1 m wingspan)




Ben Creisler
bcreisler@gmail.com

A new paper:

Leonardo D. Ortiz David, Bernardo J. González Riga & Alexander W.A. Kellner (2017)
Discovery of the largest pterosaur from South America.
Cretaceous Research (advance online publication)
doi: https://doi.org/10.1016/j.cretres.2017.10.004
http://www.sciencedirect.com/science/article/pii/S0195667117302082



A giant humerus (450 mm total length) belonging to one of the largest pterosaur recorded in South America is described. The specimen (UNCUYO-LD 350) was discovered in the Upper Cretaceous (upper Coniacian – lower Santonian) Plottier Formation of the Mendoza Province, northern Neuquén Basin, Argentina. It was found associated with a smaller pterosaur specimen represented by around thirty postcranial bones. The specimen is assigned to Tapejaroidea and show characters of both Tapejaridae and Azhdarchidae. Based on comparisions with other Azdharchidae species, a wingspan of 9.1 m is estimated for UNCUYO-LD 350, showing that giant pterosaurs were present in South America during the Upper Cretaceous.


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