[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 "Eubacteriaceae" nom. inval. see Family Eubacteriaceae Ludwig et al. 2010
             Genus Eubacterium Prévot 1938 (Approved Lists 1980)
               01 Eubacterium limosum (Eggerth 1935) Prévot 1938 (Approved Lists 1980)
               02 Eubacterium acidaminophilum Zindel et al. 1989
               03 Eubacterium aggregans Mechichi et al. 2000
               04 Eubacterium angustum Beuscher and Andreesen 1985
               05 Eubacterium barkeri (Stadtman et al. 1972) Collins et al. 1994
               06 Eubacterium biforme (Eggerth 1935) Prévot 1938 (Approved Lists 1980)
               07 Eubacterium brachy Holdeman et al. 1980
               08 Eubacterium budayi (Le Blaye and Guggenheim 1914) Holdeman and Moore 1970 (Approved Lists 1980)
               09 Eubacterium callanderi Mountfort et al. 1988
               10 Eubacterium cellulosolvens (Bryant et al. 1958) Holdeman and Moore 1972 (Approved Lists 1980)
               11 Eubacterium combesii (Prévot and Laplanche 1947) Holdeman and Moore 1970 (Approved Lists 1980)
               12 Eubacterium contortum (Prévot 1947) Holdeman et al. 1971 (Approved Lists 1980)
               13 Eubacterium coprostanoligenes Freier et al. 1994
               14 Eubacterium cylindroides (Rocchi 1908) Holdeman and Moore 1970 (Approved Lists 1980)
               15 Eubacterium desmolans Morris et al. 1986
               16 Eubacterium dolichum Moore et al. 1976 (Approved Lists 1980)
               17 Eubacterium eligens Holdeman and Moore 1974 (Approved Lists 1980)
               18 Eubacterium fissicatena Taylor 1972 (Approved Lists 1980)
               19 Eubacterium hadrum Moore et al. 1976 (Approved Lists 1980)
               20 Eubacterium hallii Holdeman and Moore 1974 (Approved Lists 1980)
               21 Eubacterium infirmum Cheeseman et al. 1996
               22 Eubacterium minutum Poco et al. 1996
               23 Eubacterium moniliforme (Repaci 1910) Holdeman and Moore 1970 (Approved Lists 1980)
               24 Eubacterium multiforme (Distaso 1911) Holdeman and Moore 1970 (Approved Lists 1980)
               25 Eubacterium nitritogenes Prévot 1940 (Approved Lists 1980)
               26 Eubacterium nodatum Holdeman et al. 1980
               27 Eubacterium oxidoreducens corrig. Krumholz and Bryant 1986
               28 Eubacterium plautii (Séguin 1928) Hofstad and Aasjord 1982 see Flavonifractor plautii (Séguin 1928) Carlier et al. 2010
               29 Eubacterium plexicaudatum Wilkins et al. 1974 (Approved Lists 1980)
               30 Eubacterium pyruvativorans Wallace et al. 2003
               31 Eubacterium ramulus Moore et al. 1976 (Approved Lists 1980)
               32 Eubacterium rectale (Hauduroy et al. 1937) Prévot 1938 (Approved Lists 1980)
               33 Eubacterium ruminantium Bryant 1959 (Approved Lists 1980)
               34 Eubacterium saburreum (Prévot 1966) Holdeman and Moore 1970 (Approved Lists 1980) see Lachnoanaerobaculum saburreum (Prévot 1966) Hedberg et al. 2012
               35 Eubacterium saphenum corrig. Uematsu et al. 1993
               36 Eubacterium siraeum Moore et al. 1976 (Approved Lists 1980)
               37 Eubacterium sulci (Cato et al. 1985) Jalava and Eerola 1999
               38 Eubacterium tarantellae corrig. Udey et al. 1977 (Approved Lists 1980)
               39 Eubacterium tenue (Bergey et al. 1923) Holdeman and Moore 1970 (Approved Lists 1980)
               40 Eubacterium tortuosum (Debono 1912) Prévot 1938 (Approved Lists 1980)
               41 Eubacterium uniforme van Gylswyk and van der Toorn 1985
               42 Eubacterium ventriosum (Tissier 1908) Prévot 1938 (Approved Lists 1980)
               43 Eubacterium xylanophilum van Gylswyk and van der Toorn 1985
               44 [Eubacterium yurii] Margaret and Krywolap 1986