procaryotes Domain Bacteria Woese et al. 1990 Phylum "Deinococcus-Thermus" Class Deinococci Garrity and Holt 2001 nom. inval. see Class Deinococci Garrity and Holt 2002 Order Thermales Rainey and Da Costa 2001 see Order Thermales Rainey and Da Costa 2002 Family Thermaceae Da Costa and Rainey 2001 see Family Thermaceae Da Costa and Rainey 2002 Genus Meiothermus Nobre et al. 1996