Closely related to other large African hyaenodonts such as Simbakubwa and Megistotherium, Hyainailouros walked with a semi-digitigrade stance and was probably capable of large, leaping bounds.[8]
^Pilgrim, G. E. (1912.) "The Vertebrate Fauna of the Gaj Series in the Bugti Hills and the Punjab", Memoir of the Geological Survey of India, Palaeontologia Indica, New Series, 4: 1–83
^Ginsburg, L. (1980.) "Hyainailouros sulzeri, mammifère créodonte du Miocène européen." Annales de Paléontologie, 66: 19–73.
^Solé, F.; Lhuillier, J.; Adaci, M.; Bensalah, M.; Mahboubi, M.; Tabuce, R. (2013). "The hyaenodontidans from the Gour Lazib area (?Early Eocene, Algeria): implications concerning the systematics and the origin of the Hyainailourinae and Teratodontinae". Journal of Systematic Palaeontology. 12 (3): 303–322. doi:10.1080/14772019.2013.795196. S2CID84475034.