Reptilia - Dinosauria - Riojasauridae

Synonym: Aliwalia rex Galton 1985

Full reference: E. C. N. van Hoepen. 1920. Contributions to the knowledge of the reptiles of the Karroo Formation. 6. Further dinosaurian material in the Transvaal Museum. Annals of the Transvaal Museum 7(2):93-141

Belongs to Eucnemesaurus according to A. M. Yates 2007

Sister taxa: none

Type specimens:

• Eucnemesaurus fortis: TrM 119, a partial skeleton. Its type locality is farm Zonderhout (291), Slabberts, which is in a Norian/Rhaetian terrestrial mudstone in the Lower Elliot Formation of South Africa.
• Aliwalia rex: NMW 1886-XV-39, 1876-VII-B124. Its type locality is Barnard's Spruit, Aliwal North, which is in a Norian/Rhaetian terrestrial horizon in the Lower Elliot Formation of South Africa.

Ecology: