[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain "Archaea" Woese et al. 1990
     Phylum "Euryarchaeota" Garrity and Holt 2001
       Class "Methanomicrobia"
         Order Methanomicrobiales Balch and Wolfe 1981
           Family Methanocorpusculaceae Zellner et al. 1989
             Genus Methanocorpusculum Zellner et al. 1988
               Methanocorpusculum aggregans (Ollivier et al. 1985) Xun et al. 1989