The Areado Group is a Late Jurassic to Early Cretaceous (Tithonian to Albian; covering approximately 50 million years)[1] geologic group in southeastern Brazil.
The group was defined by Cardoso in 1968.
[2] Various fossil theropod tracks have been reported from the aeolic sandstones of the group.
[3][4] The group contains the following formations from young to old:[5]