Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Clade neomura Cavalier-Smith, 1987 Domain Archaea Woese et al. 2024 [paraphyletic] Kingdom Methanobacteriati (Garrity and Holt 2023) Oren and Göker 2024 Phylum Methanobacteriotaᵀ Garrity and Holt 2023 Order "Candidatus Methanophagales" Borrel et al. 2021 [monotypic] Family "Methanophagaceae"ᵀ Chadwick et al. 2022 nom. inval. Genus "Methanophaga"ᵀ Chadwick et al. 2022 nom. inval.