HOMO NALEDI
The species Homo naledi inhabited southern Africa from 335,000 to
236,000 years ago (2017DirksPH_BergerLR).
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| Facial reconstruction of Homo naledi, Author: Cicero Moraes et al. (Arc-Team); source –wikimedia.org collection (license CC BY 4.0, no changes). |
Among the preserved remains of Homo naledi there is a femoral head (UW
101-1300) without a lateral surface. On it, the fossa of the femoral head is
clearly visible, measuring 8.6 by 6.6 mm. It is deeply pitted with several
holes inside. (2016MarchiD_DeSilvaJM:Fig.9). This observation provides clear
evidence for the presence of a ligamentum capitis femoris (LCF) in Homo naledi,
specifically the distal attachment site.
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| Homo naledi femur UW 101-1391. Author: Lee Roger Berger research team; source: wikimedia.org collection (license CC BY 4.0, no changes). |
Homo naledi pelvic remains are small fragments of the ilium, ischium,
pubis, and sacrum (2018VanSickleC_HawksJ). None of the parts contain an
acetabulum, which could be used to differentiate the proximal attachment site
of the LCF.
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| Homo naledi pelvic specimens UW 101-1100. Author: Lee Roger Berger research team; source: wikipedia.org collection (license CC BY 4.0, no changes). |
References
Dirks PH, Roberts EM, Hilbert-Wolf H, Kramers JD, Hawks J, Dosseto A, ... Berger LR. The age of Homo naledi and associated sediments in the Rising Star Cave, South Africa. Elife. 2017;6:e24231. [elifesciences.org]
Marchi D, Walker CS, Wei P, Holliday TW, Churchill SE, Berger LR, DeSilva J. M. The thigh and leg of Homo naledi. Journal of Human Evolution. 2016;30:1e31. [academia.edu]
VanSickle C, Cofran Z, García-Martínez D, Williams SA, Churchill SE, Berger LR, Hawks J. Homo naledi pelvic remains from the Dinaledi Chamber, South Africa. Journal of Human Evolution. 2018;125:122-36. [sciencedirect.com]
Keywords
ligamentum capitis femoris, ligamentum teres, ligament of head of femur, doctrine, homo naledi
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