Correction to: Nature https://doi.org/10.1038/nature23456Published online 10 August 2017

In Extended Data Fig. 3f of this Article, the specimen originally labelled ‘P. pygmaeus’ is in fact a specimen of Pan troglodytes, and has now been replaced with a confirmed specimen of the Bornean orangutan (Pongo pygmaeus). Figure 1 of this Amendment shows the corrected Extended Data Fig. 3. To correct the sample numbers for each species and to add the new Pongo specimen now used in Extended Data Fig. 3, the Methods paragraph “The general dental development pattern of KNM-NP 59050… found only in Hylobates and Hoolock.” should read as follows: “The general dental development pattern of KNM-NP 59050, and the advanced I1 development in particular, were studied in more detail by making comparisons with extant juvenile hominoids and cercopithecoids. These included Pan troglodytes (13), Gorilla gorilla (3), Pongo pygmaeus (2), Homo sapiens (6), Hoolock sp. (4), Hylobates muelleri (1), Nomascus hainanus (1); and the cercopithecoids Papio ursinus (1), Cercopithecus petaurista (1), Macaca sp. (2), and Macaca nigra (1). These specimens are in the collections of the Musée des Confluences de Lyon and were scanned at the European Synchrotron Radiation Facility, except for one Pongo specimen from the Museum of Comparative Zoology, Harvard University that was scanned at the Center for Nanoscale Systems (CNS) at Harvard University, the Hoolock material, which is housed in, and was scanned at, the American Museum of Natural History (New York), as well as Hylobates and Nomascus specimens, which are housed at the Museum für Naturkunde, Berlin, and were scanned at the Max Planck Institute of Evolutionary Anthropology (Leipzig). Results of these comparisons show that the unusual pattern of advanced development of the I1s is found only in Hylobates and Hoolock.” These errors do not affect any of the observations and conclusions. The original Article has not been corrected.

Fig. 1: This figure shows the corrected Extended Data Fig. 3f.
figure 1

Pongo pygmaeus. Scale bar, 2 cm.