FIGURE 2. Haploid genome size (mean of posterior predictive distribution) mapped onto a phylogeny shows a reduction within saurischian dinosaurs, the lineage to which birds belong.
From the following article:
Origin of avian genome size and structure in non-avian dinosaurs
Chris L. Organ, Andrew M. Shedlock, Andrew Meade, Mark Pagel and Scott V. Edwards
Nature 446, 180-184(8 March 2007)
doi:10.1038/nature05621
Myr, million years.
