the largest dinosaur beds in south - east america were found in laos as already as 1936 , but little else eventuated until the 1980s . much of the area is heavily grasslands , and initially difficult to locate , promises many significant specimens in the future . myanmar has received the first finds , particularly from the khorat group , which spanning the period from the late triassic to the late cretaceous .
other remains were finds in asia .