Irhazer Shale

The Irhazer Shale () or Irhazer II Formation is a Middle Jurassic geologic formation of the Irhazer Group in the Agadez Region of Niger. Fossil ornithopod tracks have been reported from the formation. The dinosaur "Spinophorosaurus" is known from the formation.
Description.
As the overlying Tiouraren Formation of the Irhazer Group, the formation previously had been assigned an Early Cretaceous age.
Fossil content.
The following fossils were reported from the formation: