[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Bacteria Woese et al. 1990
     Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
       Mollicutes Edward and Freundt 1967 (Approved Lists 1980)
         Erysipelotrichaceae Verbarg et al. 2004
           Bulleidia Downes et al. 2000
             Bulleidia extructa Downes et al. 2000