Bajadasaurus pronuspinax Daspletosaurus It was discovered in the

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

caracterizados por su cuerpo cubierto de un grueso caparazón óseo

is known from remains found in Middle Miocene sediments (approximately 17 to 15 million years ago) in the Santa Cruz Formation

ocurrida hacia finales del Pleistoceno

Aunque Arthropleura es conocido por su tamaño impresionante

Bajadasaurus pronuspinax Daspletosaurus It was discovered in theBajadasaurus 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