Projection of the A3 phylogenetic relationships onto the horse (a) and cat (b) genomic loci. Exon composition and gene arrangement of the A3 genes are displayed. Labels indicate median age [95% HPD] of the corresponding nodes. Several milestones in the evolution of mammals are indicated.
Münk et al. BMC Evolutionary Biology 2012 12:71 doi:10.1186/1471-2148-12-71