Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. Limit distribution of a time-averaged homogeneous origination-extinction process
  • Section S2. Evaluation of sampling bias correction methods
  • Section S3. Understanding deviations from superstatistics at higher taxonomic levels
  • Section S4. Ecospace occupation of higher taxa
  • Section S5. Relationship between βk and clade richness
  • Fig. S1. Relationship between number of publications and three-timer–corrected genus richness at the family level as recorded by the PBDB.
  • Fig. S2. Comparison of rarefaction (black line) and SQS (blue) with our three-timer and publication bias correction method (red).
  • Fig. S3. Change in within-clade richness fluctuation distributions with increasing taxonomic level.
  • Fig. S4. Change in the distributions of βk across clades of increasing taxonomic level.
  • Fig. S5. Relationship between number of ecospace hypercubes occupied and taxonomic level.
  • Fig. S6. Relationship between fluctuation volatility βk and genus richness at the family level.
  • Fig. S7. Distribution of genus richnesses within families.
  • Appendix A. R code to reproduce the study

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