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EucaryaEukarya (ger.)

  • In taxonomy, the group that includes all eukaryotes. In the widely used five-kingdom classification system, the Eukarya is ranked as a superkingdom containing the kingdoms Protoctista, Animalia, Fungi, and Plantae. In the three-domain classification system, Eukarya is the domain containing the kingdoms Protoctista, Animalia, Fungi, and Plantae. In the two-domain system proposed by the eocyte hypothesis, the Eukarya is absorbed within the domain Archaea. (Oxford Dict. of Ecology 2010)
    protist Archaea Bacteria
    1990
    Life on this planet would then be seen as comprising three domains, the Bacteria, the Archaea, and the Eucarya, each containing two or more kingdoms.
    Woese, C.R., Kandler, O. & Wheelis, M.L. (1990). Towards a natural system of organisms: Proposal for the domains Archaea, Bacteria, and Eucarya. Proc. Natl. Acad. Sci. U.S.A. 87, 4576-4579: 4576.