Borths, M.R.; Stevens, N.J. (2019). "Simbakubwa kutokaafrika, gen. et sp. nov. (Hyainailourinae, Hyaenodonta, 'Creodonta,' Mammalia), a gigantic carnivore from the earliest Miocene of Kenya". Journal of Vertebrate Paleontology. 39: e1570222. doi:10.1080/02724634.2019.1570222. S2CID145972918.
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Borths, M.R.; Stevens, N.J. (2019). "Simbakubwa kutokaafrika, gen. et sp. nov. (Hyainailourinae, Hyaenodonta, 'Creodonta,' Mammalia), a gigantic carnivore from the earliest Miocene of Kenya". Journal of Vertebrate Paleontology. 39: e1570222. doi:10.1080/02724634.2019.1570222. S2CID145972918.