Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. PCA using eight entheses from the same anatomical side of each fossil, either left (L) or right (R), and the right side of the reference specimens, PC1 versus PC2.
  • Fig. S2. PCA using eight entheses from the same anatomical side of each fossil, either left (L) or right (R), and the right side of the reference specimens, PC2 versus PC3.
  • Fig. S3. PCA using seven entheses from the same anatomical side of each fossil and the left side of the reference specimens, PC1 versus PC2.
  • Table S1. Individual hand bone sets comprising the fossil samples.
  • Table S2. Descriptive statistics for the size-adjusted entheseal surface area measurements of the fossil specimens.
  • Table S3. Eigenvalues and factor loadings of the four PCAs on size-adjusted entheseal surface measurements.
  • Table S4. Statistics of the two discriminant function analyses.
  • References (5663)

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