Cavalier-Smith's system of classification scheme they reintroduced the classification with the division of prokaryotes superkingdom into two kingdoms, Bacteria (=Eubacteria) and Archaea (=Archaebacteria). This is based on the consensus in the Taxonomic Outline of Bacteria and Archaea (TOBA) and the Catalogue of Life. Cavalier-Smith's system of classification The classification system of life introduced by British zoologist Thomas Cavalier-Smith involves systematic arrangements of all life forms on earth. Following and improving the classification systems introduced by Carl Linnaeus, Ernst Haeckel, Robert Whittaker, and Carl Woese, Cavalier-Smith's classification attempts to incorporate the latest developments in taxonomy. His classification has been a major foundation in modern taxonomy,
Color terminology for race a savage race with faces reminiscent of bears (but for which the author admits to rely on hearsay). Finally, the natives of the Americas are considered as a fifth category, described as of "olive" ("olivastre") skin tone. The author furthermore considers the possible addition of more categories, specifically the "blacks of the Cape of Good Hope", which seemed to him to be of significantly different build from most other populations below the Sahara. In the 1730s, Carl Linnaeus in his introduction of systematic taxonomy recognized four main human subspecies, termed "Americanus" (Americans), "Europaeus" (Europeans), "Asiaticus" (Asians) and "Afer" (Africans). The