US
Experts say the beast was a cousin of the biggest carnivorous dinosaur species on record
The discovery was made in the southern province of Santa Cruz
"Amber hunters" on a quest for a Jurassic Park-style discovery sift through mounds of the precious resin in Myanmar
Amber, fossilized tree resin, has provided a remarkable window into the past
Fossil sheds light on nature of sub-continent's linkage with South America millions of years ago
Well-known ornithischians include Triceratops, three-tonne Stegosaurus
The footprint is believed to have belonged to Titanosaur that could have been more than 30 metres long
The dinosaur left the track some 80 million years ago
Scientists drill deep into ocean floor, extracting remains of the asteroid widely blamed for the demise of dinosaurs