Targeted regions of the genome were sequenced as part of the ENCODE project's comparative genomics analysis. Additional targets were selected for the Comparative Vertebrate Sequencing project.
Placental mammals comprise three principal clades: Afrotheria (e.g. elephants and tenrecs), Xenarthra (e.g. armadillos and sloths) and Boreoeutheria (all other placental mammals), the relationships am