This is how Cavalier-Smith (1998) tells the story, in the'1980s he had raised in rank Archaebacteria and Eubacteria to kingdoms, and then in the' 1990 he went back to the old Bacteria.
This is how Cavalier-Smith (1998) tells the story. In the'1980s he had raised in rank Archaebacteria and Eubacteria to kingdoms, and then after more study and the new data in the' 1990 he went back to the old Bacteria.