Bajadasaurus pronuspinax Daspletosaurus as is the case in

as is the case in some other elephant species

flightless wings

It was discovered in the Hell Creek Formation in Montana and South Dakota

Aunque Arthropleura es conocido por su tamaño impresionante

Neoceratopsia) from the Early Cretaceous of North America

Bajadasaurus pronuspinax Daspletosaurus as is the case inBajadasaurus pronuspinax was a sauropod dinosaur of the dicraeosaurid group that inhabited what is now Argentine Patagonia during the Early Cretaceous , approximately 140 million years ago . Its remains were found in the Bajada Colorada Formation, in the province of Neuqun, and described in 2019. The name of the genus refers to the town of Bajada Colorada, while the epithet pronuspinax alludes to the forward inclined dorsal spines that are its most