[living organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Prokaryota Kingdom Archaea Woese et al. 1990 see Domain Archaea Woese et al. 1990 Phylum Euryarchaeota Garrity and Holt 2001 Class Thermoplasmata Reysenbach 2002 [monotypic] Order Thermoplasmatales Reysenbach 2002