The new dinosaur, the third now described from southwestern Tanzania by the NSF-funded team, is yet another member of the large, long-necked titanosaur
Some of the approximately 60 identified titanosaur
species are known only from scrappy remains.
A farmer in Argentina first spotted the titanosaur
's buried thighbone in 2010.
Such discoveries include the Acrotholus audeti, possibly the oldest bone-headed dinosaur in the world, discovered in Canada in 2008; and last year's confirmation that the long-necked Patagotitan mayorum -- nicknamed the Titanosaur
when it was discovered in southern Argentina in 2012 -- was the largest animal to ever walk Earth.
Sue is making way for a cast of a titanosaur
, a plant-eating dinosaur that's three times the length of the T.
While as massive as a bull African elephant, Mansourasaurus was modestly sized next to titanosaur
cousins such as South America's Argentinosaurus, Dreadnoughtus and Patagotitan and Africa's Paralititan, some exceeding 100 feet (30 meters) long.
Carballido et al., "A new giant titanosaur
sheds light on body mass evolution among sauropod dinosaurs," Proceedings of the Royal Society B, Biological Sciences (August 9, 2017), accessed November 24, 2017, http://rspb.royalsocietypublishing.org/content/284/1860/20171219;
lived 100 million years ago during the Cretaceous period and was a sauropod, a huge plant-eater with a long tail and neck that stood on four legs.
Diogenes Campos, director of Rio de Janeiro's Earth Sciences Museum, said he named the 25-meter-long dinosaur 'Austroposeidon magnificus.' It belonged to the Titanosaur
group of herbivores that had large bodies, long necks and tails and relatively small skulls, he said.
(2013): Appendicular skeleton and dermal armour of the Late Cretaceous titanosaur
Lirainosaurus astibiae (Dinosauria: Sauropoda) from Spain.
The exhibition, which comes on the heels of the unveiling of a 122-foot-long titanosaur
cast on permanent display in the museum's Orientation Center, is part of a series of events, public programs, exhibitions, and digital offerings highlighting dramatic developments in paleontology.
A baby titanosaur
looked a lot like a grown-up--and it probably acted like one, too.