New insights into the ontogeny of Paranthropus boisei offered by a juvenile maxilla from the Shungura Formation (Ethiopia)
Author
Thiebaut, Arthur
Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo Sierra de Atapuerca 3, 09002 Burgos (Spain) and Laboratory Paleontology Evolution Paleoecosystems Paleoprimatology (PALEVOPRIM), CNRS & Université de Poitiers, 6 rue Michel Brunet, 86000 Poitiers (France)
arthur.thiebaut@cenieh.es
Author
Guy, Franck
Laboratory Paleontology Evolution Paleoecosystems Paleoprimatology (PALEVOPRIM), CNRS & Université de Poitiers, 6 rue Michel Brunet, 86000 Poitiers (France)
franck.guy@univ-poitiers.fr
Author
Hlusko, Leslea J.
Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo Sierra de Atapuerca 3, 09002 Burgos (Spain)
leslea.hlusko@cenieh.es
Author
Surault, Jérôme
Laboratory Paleontology Evolution Paleoecosystems Paleoprimatology (PALEVOPRIM), CNRS & Université de Poitiers, 6 rue Michel Brunet, 86000 Poitiers (France)
jerome.surault@univ-poitiers.fr
Author
Towle, Ian
Monash Biomedicine Discovery Institute, Department of Anatomy and Developmental Biology, Monash University, 3168 Melbourne (Australia)
ianetowle@hotmail.co.uk
Author
Redae, Blade E.
Institute of Human Origins, School of Human Evolution and Social Change (SHESC), Arizona State University, 900 S Cady Mall, Tempe, AZ 85281 (United States)
bredae@asu.edu
Author
Boisserie, Jean-Renaud
French Centre for Ethiopian Studies (CFEE), CNRS & Ministry of Europe and Foreign Affairs, PO BOX 5554 Addis Ababa (Ethiopia) & Laboratory Paleontology Evolution Paleoecosystems Paleoprimatology (PALEVOPRIM), CNRS & Université de Poitiers, 6 rue Michel Brunet, 86000 Poitiers (France) jean. renaud. boisserie @ univ-poitiers. fr
jean.renaud.boisserie@univ-poitiers.fr
text
Comptes Rendus Palevol
2026
2026-10-14
25
21
391
416
https://doi.org/10.5852/cr-palevol2026v25a21
journal article
316705
10.5852/cr-palevol2026v25a21
0ab4531e-2947-4ac3-a4e0-13fef8040168
1777-571X
23422227
urn:lsid:zoobank.org:pub:3B77581B-FB13-4AF9-A343-91DA6319CD44
TABLE 2. — OMO 362-10001 enamel measurements and a comparative sample from Lockey et al. 2020. Abbreviations: AET, average enamel thickness; EDJ, enameldentine junction; RET, relative enamel thickness.| Taxon/specimen | | Enamel area (mm2) | Dentine area (mm2) | EDJ length (mm) | AET (mm) | RET |
|---|
| OMO 362-10001 | | 53.1 | 56.6 | 20.4 | 2.5 | 34.4 |
|---|
| Paranthropus robustus | x | 41.3 | 56.2 | 23.6 | 1.8 | 23.4 |
|---|
| min | 33.6 | 43.0 | 20.9 | 1.6 | 19.6 |
| max | 51.2 | 67.7 | 27.0 | 2.1 | 27.6 |
| sd | 7.8 | 10 | 2.3 | 0.2 | 2.8 |
| n | 6 | 6 | 6 | 6 | 6 |
| Paranthropus boisei | x | 46.9 | 57.6 | 22.0 | 2.1 | 28.3 |
|---|
| min | 36.7 | 47.1 | 20.7 | 1.6 | 21.4 |
| max | 54.9 | 64.9 | 23.3 | 2.3 | 34.3 |
| sd | 9.3 | 9.3 | 1.3 | 0.4 | 6.5 |
| n | 3 | 3 | 3 | 3 | 3 |
| Homo sp. | x | 36.2 | 46.4 | 21.7 | 1.7 | 25 |
|---|
| min | 30.0 | 37.8 | 20.2 | 1.2 | 16.9 |
| max | 40.7 | 55.9 | 23.7 | 1.9 | 28.7 |
| sd | 5 | 7.5 | 1.5 | 0.3 | 5.5 |
| n | 4 | 4 | 4 | 4 | 4 |