Joaquinraptor hailed from a mysterious group of dinosaurs known for their huge and powerful claws.

Un equipo de paleontólogos descubre un completo conjunto de restos fósiles de uno de los megarraptores que vivieron poco antes de la extinción masiva

Joaquinraptor hailed from a mysterious group of dinosaurs known for their huge and powerful claws.

Dinosaur and its cousins were dominant predators in South America, study finds