Figure 2From: Breaking through a phylogenetic impasse: a pair of associated archaea might have played host in the endosymbiotic origin of eukaryotesPhylogeny of the Archaea based on ribosomal proteins. Unrooted Bayesian tree of the archaeal domain based on the concatenation of 57 ribosomal proteins, including established phyla (−ota), major orders (−ales), as well as the two classes of methanogens. Figure based on reference 34.Back to article page