Scientists unearthed fossils in Argentina of what may be the oldest known member of the group of dinosaurs known as titanosaurs.
Guillermo Arduino interviewed Pablo A. Gallina, a member of the anthropology department of the National Council for Scientific and Technical Research of Argentina (Conicet), who participated in the discovery and related details about it.
READ MORE: They find in Argentina fossils of a huge Ninjatitan dinosaur that lived 140 million years ago