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. 2017 Jun 28;3(6):e1700564. doi: 10.1126/sciadv.1700564

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Copyright © 2017 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 2 — Gray, preserved elements; red, modifications. (A) Frontal, superior, and posterior view of skull 1. (B) Frontal, superior, and lateral view of skull 2. (C) Frontal, superior, and lateral view of skull 3.