[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 "Acidaminococcaceae" Marchandin et al., 2010 see Family Acidaminococcaceae Marchandin et al. 2010 01 Genus Acidaminococcus Rogosa 1969 (Approved Lists 1980) 02 Genus Acetonema Kane and Breznak 1992 03 Genus Allisonella Garner et al. 2003 04 Genus Anaeroarcus Strömpl et al. 1999 05 Genus Anaeroglobus Carlier et al. 2002 06 Genus Anaeromusa Baena et al. 1999 07 Genus Anaerosinus Strömpl et al. 1999 08 Genus Anaerovibrio Hungate 1966 (Approved Lists 1980) 09 Genus Centipeda Lai et al. 1983 10 Genus Dendrosporobacter Strömpl et al. 2000 11 Genus Dialister (ex Bergey et al. 1923) Moore and Moore 1994 12 Genus Megasphaera Rogosa 1971 (Approved Lists 1980) 13 Genus Mitsuokella Shah and Collins 1983 14 Genus Papillibacter Defnoun et al. 2000 15 Genus Pectinatus Lee et al. 1978 (Approved Lists 1980) 16 Genus Phascolarctobacterium Del Dot et al. 1994 17 Genus Propionispira Schink et al. 1983 18 Genus Propionispora Biebl et al. 2001 19 Genus Quinella Krumholz et al. 1993 20 Genus Schwartzia van Gylswyk et al. 1997 21 Genus Selenomonas von Prowazek 1913 (Approved Lists 1980) 22 Genus Sporomusa Möller et al. 1985 23 Genus Succiniclasticum van Gylswyk 1995 24 Genus Succinispira Janssen and O'Farrell 1999 25 Genus Thermosinus Sokolova et al. 2004 26 Genus Veillonella Prévot 1933 (Approved Lists 1980) 27 Genus Zymophilus Schleifer et al. 1990