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Clade Age and Species Richness Are Decoupled Across the Eukaryotic Tree of Life

Figure 2

Clade age and species richness are unrelated across 1,397 clades of multicellular eukaryotes.

(A) Relationship between log(richness) and clade age (PGLS β = 0.0008, p = 0.66). (B) Same relationship as (A), but fitted model is projected onto logarithmic timescale to better visualize the relationship among age and richness for younger clades. The regression coefficient β represents the change in log-transformed diversity per million years.

Figure 2

doi: https://doi.org/10.1371/journal.pbio.1001381.g002