[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Deferribacteres" Garrity and Holt 2001
       Class "Deferribacteres" Huber and Stetter 2002
         Order Deferribacterales Huber and Stetter 2002
           Genus Caldithrix Miroshnichenko et al. 2003
             1 Caldithrix abyssi Miroshnichenko et al. 2003