What kind of dinosaur was Riojasaurus?
Q: What kind of dinosaur was Riojasaurus?
A: Riojasaurus was a herbivorous prosauropod dinosaur.
Q: When did Riojasaurus live?
A: Riojasaurus lived during the Upper Triassic, roughly 225 to 219 million years ago.
Q: Where have fossils of Riojasaurus been found?
A: Fossils have been found in La Rioja Province in Argentina.
Q: How many incomplete skeletons of Riojasaurus have been found?
A: There are incomplete skeletons from about 20 individuals.
Q: What were the physical characteristics of Riojasaurus?
A: Riojasaurus had a heavy body, bulky legs, and a long neck and tail. Its leg bones were dense and massive for a prosauropod. By contrast, its vertebrae were lightened by hollow cavities, and unlike most prosauropods, Riojasaurus had four sacral vertebrae instead of three.
Q: How did Riojasaurus move?
A: It probably moved slowly on all fours and could not rear up on its back legs. The nearly equal length of the fore and hindlimbs is also suggestive of a quadrupedal animal.
Q: What was the size of Riojasaurus?
A: Riojasaurus was 30ft tall and 10ft long.
