“Toumaï” (英語). Astronoo.com (01 June 2013). 2020年1月19日閲覧。 “Toumai is the nickname of a fossil skull, virtually complete primate, discovered by Chad Ahounta Djimdoumalbaye July 19, 2001, in the desert in northern Chad Djurab site TM266.”
"The foramen magnum (the large opening where the spinal cord exits out of the cranium from the brain) is located further forward (on the underside of the cranium) than in apes or any other primate except humans. " “Sahelanthropus tchadensis”. Smithsonian Institution. 2016年7月17日閲覧。