[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
       Class "Clostridia" Garrity et al. 2001 nom. ined. see Class Clostridia Rainey 2010
         Order Clostridiales Prévot 1953 (Approved Lists 1980)
           Family Peptococcaceae Rogosa 1971 (Approved Lists 1980)
             Genus Desulfotomaculum Campbell and Postgate 1965 (Approved Lists 1980)
               01 Desulfotomaculum nigrificans (Werkman and Weaver 1927) Campbell and Postgate 1965 (Approved Lists 1980)
               02 Desulfotomaculum acetoxidans Widdel and Pfennig 1977 (Approved Lists 1980)
               03 Desulfotomaculum aeronauticum Hagenauer et al. 1997
               04 Desulfotomaculum alkaliphilum Pikuta et al. 2000
               05 "Desulfotomaculum antarctica" see Desulfotomaculum antarcticum Iizuka et al. 1969
               06 Desulfotomaculum australicum Love et al. 1993
               07 Desulfotomaculum geothermicum Daumas et al. 1990
               08 Desulfotomaculum gibsoniae Kuever et al. 1999
               09 Desulfotomaculum guttoideum Gogotova and Vainstein 1986
               10 Desulfotomaculum halophilum Tardy-Jacquenod et al. 1998
               11 Desulfotomaculum kuznetsovii Nazina et al. 1990
               12 Desulfotomaculum luciae Liu et al. 1997
               13 Desulfotomaculum putei Liu et al. 1997
               14 Desulfotomaculum ruminis Campbell and Postgate 1965 (Approved Lists 1980)
               15 Desulfotomaculum sapomandens Cord-Ruwisch and Garcia 1990
               16 Desulfotomaculum thermoacetoxidans Min and Zinder 1995
               17 [Desulfotomaculum thermobenzoicum] Tasaki et al. 1991
               18 Desulfotomaculum thermocisternum Nilsen et al. 1996
               19 Desulfotomaculum thermosapovorans Fardeau et al. 1995
               20 Desulfotomaculum solfataricum Goorissen et al. 2003
               21 Desulfotomaculum antarcticum (ex Iizuka et al. 1969) Campbell and Singleton 1988
               22 Desulfotomaculum carboxydivorans Parshina et al. 2005
               23 Desulfotomaculum arcticum Vandieken et al. 2006