Sahelanthropus tchadensis, 7-6 myöa, Batı-Orta Afrika (Çad); Orrorin tugenensis, 6,2-5,8 myöa, Doğu Afrika (Kenya); Ardipithecus kadabba, 5,8-5,2 myöa, Doğu Afrika (Etiyopya); Ardipithecus ramidus, 4,4 myö, Doğu Afrika (Etiyopya).[176.1]
___________________
[176] Smithsonian’s Human Origins Staff (yy.), “Sahelanthropus tchadensis”, Smithsonian Institution’s National Museum of Natural History: Human Origins, SGT: 24 Ağustos 2018, <http://humanorigins.si.edu/evidence/human-fossils/species/sahelanthropus-tchadensis> (Smithsonian’s Human Origins‘i tavsiye ediyorum bk.: <http://humanorigins.si.edu/evidence/human-fossils/species?sort_by=field_age_timeline_maximum_value>); Erişimler: 12 Kasım 2017 ve 13 Mart 2019; Contributeurs de Wikipédia, “Sahelanthropus tchadensis”, Wikipédia, l’encyclopédie libre, <https://fr.wikipedia.org/wiki/Sahelanthropus_tchadensis>; Ayrıca (ek olarak) şu ikisine bk. Michel Brunet vd., “A new hominid from the Upper Miocene of Chad, Central Africa”, Nature, Cilt: 418, 11 Temmuz 2002, <https://www.nature.com/articles/nature00879> (Sadece özet ve figürlere bakabildim); Fran Dorey, “Sahelanthropus tchadensis”, Australian Museum, 7 Ocak 2019, <https://australianmuseum.net.au/learn/science/human-evolution/sahelanthropus-tchadensis/> Erişimler: 12 Kasım 2017.
[176.1] Smithsonian’s, “Sahelanthropus tchadensis”, ags.; Smithsonian’s Human Origins Staff (yy.), “Orrorin tugenensis”, Smithsonian Institution’s National Museum of Natural History: Human Origins, SGT: 26 Ekim 2018, <http://humanorigins.si.edu/evidence/human-fossils/species/orrorin-tugenensis>; “Ardipithecus kadabba”, SGT: 24 Ağustos 2018, <http://humanorigins.si.edu/evidence/human-fossils/species/ardipithecus-kadabba>; “Ardipithecus ramidus”, SGT: 24 Ağustos 2018, <http://humanorigins.si.edu/evidence/human-fossils/species/ardipithecus-ramidus>; Erişimler: 13 Mart 2019.
[177] Figür 88: (a) Erin Wayman, “Sahelanthropus tchadensis: Ten Years After the Disocvery”, SmithsonianMag, 16 Temmuz 2012, <https://www.smithsonianmag.com/science-nature/sahelanthropus-tchadensis-ten-years-after-the-disocvery-2449553/> veya Wikimedia Commons contributors, “File:Sahelanthropus tchadensis – TM 266-01-060-1 Global fond.jpg”, Wikimedia Commons, the free media repository, <https://commons.wikimedia.org/wiki/File:Sahelanthropus_tchadensis_-_TM_266-01-060-1_Global_fond.jpg>; (b) a ile aynı yerde, Wayman, ags.; Erişimler: 13 Kasım 2017.