Fossils of oldest member of huge dinosaur group found in Argentina
The researchers said Ninjatitan demonstrated that the titanosaurs as a group first appeared longer ago than previously known.
Palaeontologists pose for a picture next to an excavation of dinosaur bones and fossils that may have belonged to the largest dinosaur ever discovered, in Neuquen, Argentina November 12, 2016. (photo credit: REUTERS)ByREUTERS