↑Carl R. Woese, Otto Kandler, Mark L. Wheelis: "Towards a Natural System of Organisms: Proposal for the domains Archaea, Bacteria, and Eucarya", doi:10.1073/pnas.87.12.4576
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{{Information |Description=__NOTOC__ {{en|This diagram implies 3 Domains / 6 Kingdoms (Woese et al. 1990<ref name="Woese1990">Carl R. Woese, Otto Kandler, Mark L. Wheelis: "Towards a Natural System of Organisms: Proposal for the domains Archaea, Bacter