prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval. Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024 Phylum "Firmicutes" (Gibbons and Murray 1978) Garrity and Holt 2001 stat. inval. see Phylum Bacillota Gibbons and Murray 2021 Class Negativicutes Marchandin et al. 2010 Order Acidaminococcales Campbell et al. 2015 [monotypic] Family Acidaminococcaceae Marchandin et al. 2010 Genus Succiniclasticum van Gylswyk 1995