Sarah Elton,^1,* Justin W. Adams,² Julia L. Arenson,³ Amélie Beaudet,⁴ Miriam Belmaker,⁵ Terry Harrison,⁶ Clifford J. Jolly,⁶ Leslea Hlusko<sup>7

1</sup>Durham University, Department of Anthropology, South Road, Durham, DH1 3LE, U.K. ()
²Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria 3800, Australia
³PhD Program in Anthropology, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, NY 10016, U.S.A.
⁴Department of Archaeology, University of Cambridge, Downing Street, Cambridge, CB2 3DZ, U.K.
⁵The University of Tulsa, 800 S. Tucker Drive, Tulsa, OK, 74104, U.S.A.
⁶Department of Anthropology, Center for the Study of Human Origins, New York University, 25 Waverly Place, New York, NY 10003, U.S.A.
⁷National Research Center on Human Evolution (CENIEH), Paseo Sierra de Atapuerca 3, 09002 Burgos, Spain

^*corresponding author