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. 2022 Feb 25;12:2882. doi: 10.1038/s41598-022-06812-5

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Comparative brain morphology of PF-PG1 specimen from Ponte Galeria and a selected sample of fossil and extant canids (the complete list of specimens is reported in Supplementary Table S5). The black arrows indicate a prominent orbital gyrus distinctive of Canis lupus and C. simensis. The sample is normalized.