Dohoin Usu Formation

The Dohoin Usu Formation is a Late Cretaceous (Campanian) geologic formation in Mongolia.^[1] Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.^[2]

Dohoin Usu Formation
Stratigraphic range: Campanian ~85–71 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Lithology
Primary	Gray, blue, sandy claystone and red, sandy claystone
Location
Coordinates	44.8°N 105.0°E / 44.8; 105.0
Approximate paleocoordinates	42.6°N 93.8°E / 42.6; 93.8
Country	Mongolia
Type section
Named for	Dohoin Usu
Dohoin Usu Formation (Mongolia)

Fossil content

The formation has provided the following fossils:^[1]

Reptiles

• Goniopholididae indet.^[3]
• Hadrosauridae indet.^[3]
• Nanhsiungchelyidae indet.^[3]

Gastropods

• Gastropoda indet.^[3]

See also

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with indeterminate dinosaur fossils