[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
             Caldithrix abyssi Miroshnichenko et al. 2003