The genus is known to have included at least 1 species, Bahariasaurus ingens (meaning "huge Bahariya lizard"), which was found in North African rock layers dating to the Cenomanian age of the Late Cretaceous.

While there have been more fossils assigned to the genus such as some from the Farak Formation of Niger, these remains are referred to with much less certainty.

[2][3][4] Bahariasaurus was found during the 1910s during an expedition to Egypt's Baharija Formation led by Markgraf and Stromer, and the holotype, specimen 1912 VIII 62, was discovered in 1911.

[1] All preserved sacrals have a longitudinally elongate pleurocoel and a ventral median groove, which is unknown in any ceratosaurs.

[4] The exact taxonomic placement of Bahariasaurus is uncertain, although it has been variously assigned to several theropod groups, including the Carcharodontosauridae[10] and the superfamily Tyrannosauroidea.

It is likely the predators in the Bahariya Formation exhibited niche-partitioning in order to avoid competition so that they could coexist in the same environment.