Supplementary information for: Dental microwear texture analysis reveals a likely dietary shift within Late Cretaceous ornithopod dinosaurs.

This supplementary information includes 19 datasets and 95 sur files. Dataset 1 to 11 and 13 to 19 are in one excel file (“1. Supplementary Dataset 1-11 13-17_MS.xlsx “) and each dataset is in a separate excel sheet. Dataset 12 is a nexus file that contains a phylogenetic tree of ornithischian dinosaurs used in the analysis of this study (“2. DatasetS12 tree.nex”). Other 95 sur format files are original 3D surface files that are obtained by scanning tooth surface of ornithischian tooth fossils using a laser microscope VK-9700. Sur file can be opened by a surface roughness software MountainsMap. Surface roughness parameters obtained from these Sur files are in Supplementary dataset 1. Datasets 13 to 19 are results of statistical analyses that excluded data from Thescelosaurs. Below is an explanation for each dataset. Supplementary Dataset 1. Normalized dental microwear texture parameters. Supplementary Dataset 2. Results of the statistical analysis that examined effect of geological ages and enamel locations on each dental microwear texture parameter. Supplementary Dataset 3. Results of the statistical analysis that include body size as an explanatory variable. Supplementary Dataset 4. Eigen values of principal components obtained by the PCA of dental microwear texture parameters. Supplementary Dataset 5. Loading matrix of the PCA. Supplementary Dataset 6. Results of statistical analyses that examined effect of geological ages and enamel locations on PC1 and PC2. Supplementary Dataset 7. Bayes factors for the evolutionary model fitting of PC1. Supplementary Dataset 8. Bayes factors for the evolutionary model fitting of Sdr. Supplementary Dataset 9. Bayes factors for the evolutionary model fitting of Sha. Supplementary Dataset 10. Bayes factors for the evolutionary model fitting of Sq. Supplementary Dataset 11. Bayes factors for the evolutionary model fitting of Vvv. Supplementary Dataset 12. Phylogenetic trees used for the model fitting. Supplementary Dataset 13. Without Thescelosaurus: Results of the statistical analysis that examined effect of geological ages and enamel locations on each dental microwear texture parameter. Supplementary Dataset 14. Without Thescelosaurus: Results of statistical analyses that examined effect of geological ages and enamel locations on PC1 and PC2. Supplementary Dataset 15. Without Thescelosaurus: Bayes factors for the evolutionary model fitting of PC1. Supplementary Dataset 16. Without Thescelosaurus: Bayes factors for the evolutionary model fitting of Sdr. Supplementary Dataset 17. Without Thescelosaurus: Bayes factors for the evolutionary model fitting of Sha. Supplementary Dataset 18. Without Thescelosaurus: Bayes factors for the evolutionary model fitting of Sq. Supplementary Dataset 19. Without Thescelosaurus: Bayes factors for the evolutionary model fitting of Vvv.