Claim: The Öösh Formation is a geological formation of Lower Cretaceous strata that contains several dinosaur remains including the teeth of an Asiatosaurus.
Evidence: The Öösh Formation, also known as the Tevsh Formation or Hühteeg Svita, is a geological formation of Lower Cretaceous strata in Mongolia. Dinosaur remains are among the fossils that have been recovered from the formation. Teeth Asiatosaurus