Irhazer Shale
Introduction 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:* ''Elaphrosaurus iguidiensis''* Ornithopoda indet. *Spinosauridae or Megalosauridae indet. * ''Spinophorosaurus nigerensis''
See also * List of dinosaur-bearing rock formations** List of stratigraphic units with ornithischian tracks*** Ornithopod tracks* Lists of fossiliferous stratigraphic units in Africa** List of fossiliferous stratigraphic units in Niger* Geology of Niger
References === Bibliography ===* Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds. ): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. .
Further reading * A. F. d. Lapparent. (1960). Les Dinosauriens du "Continental intercalaire" du Saharal central The dinosaurs of the "Continental Intercalaire" of the central Sahara. Mémoires de la Société géologique de France, nouvelle série 39(88A):1-57* K. Remes, F. Ortega, I. Fierro, U. Joger, R. Kosma, J. M. M. Ferrer, Project, Niger Project, O. A. Ide and A. Maga. (2009). A new basal sauropod dinosaur from the Middle Jurassic of Niger and the early evolution of Sauropoda. PLoS One 4(9):e6924:1-13