The Etjo Sandstone is an Early Jurassic geologic formation in northern Namibia. The formation overlies the Omingonde Formation in the Waterberg Basin and the Doros and Gai-As Formations in the Huab Basin and has a total thickness of 140 metres (460 ft). Fossil theropod tracks of Prosauropoda indet., Theropoda indet., Tetrapodium elmenhorsti, Saurichnium anserinum, S. damarense, S. parallelum and S. tetractis have been reported from the formation, deposited in an aeolian environment.

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with theropod tracks
• List of fossiliferous stratigraphic units in Namibia
• Geology of Namibia

• D'Orazi Porchetti, S.; Mocke, H.B.; Latiano, M.; Wagensommer, A. (2015), "First record of Otozoum from Namibia" (PDF), Lethaia, 48 (1): 72–82, Bibcode:2015Letha..48...72D, doi:10.1111/let.12088, retrieved 2018-08-28

• Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.