[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain "Archaea" Woese et al. 1990 Phylum "Crenarchaeota" Garrity and Holt 2001 Class Thermoprotei Reysenbach 2002 Order "Caldisphaerales" nom. inval. see Order Acidilobales Prokofeva et al. 2009 Family "Caldisphaeraceae" nom. ined. see Family Caldisphaeraceae Prokofeva et al. 2009 Genus Caldisphaera Itoh et al. 2003 1 Caldisphaera lagunensis Itoh et al. 2003