Universal Ancestor

Korarcheotes

Korarchaeum cryptofilum

Euryarchaeotes

Halobacterium salinarum

Methanocaldococcus jannaschii

Crenarchaeotes

Sulfolobus acidocaldarius

Aeropyrum pernix

Nanoarchaeotes

Nanoarchaeum equitans

Proteobacteria

Shigella boydii

Salmonella enterica

Chlamydias

Chlamydia muridarum

Chlamydia suis

Spirochetes

Treponema pallidum

Treponema denticola

Cyanobacteria

Microcystis aeruginosa

Anabaena variabilis

Gram-positive bacteria

Staphylococcus aureus