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] Domain Bacteria Woese et al. 2024 Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Mycoplasmatota Murray 2021 [monotypic] Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980) Order Mycoplasmatales Freundt 1955 (Approved Lists 1980) Family Mycoplasmataceae Freundt 1955 (Approved Lists 1980) Genus Mycoplasmaᵀ Nowak 1929 (Approved Lists 1980) nom. cons. Mycoplasma cottewii DaMassa et al. 1994