Megamonas Shah and Collins 1983 Megamonas hypermegale corrig. (Harrison and Hansen 1963) Shah and Collins 1983 Megamonas hypermegas (sic) (Harrison and Hansen 1963) Shah and Collins 1983 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Firmicutes (sic) Gibbons and Murray 2021 Bacillota corrig. Gibbons and Murray 2021 Firmacutes (sic) Gibbons and Murray 2021 Negativicutes Marchandin et al. 2010 Selenomonadales Marchandin et al. 2010 emend. Campbell et al. 2015 Selenomonadaceae Campbell et al. 2015 Megamonas Shah and Collins 1983 Selenomonadaceae Campbell et al. 2015 Anaerovibrio Hungate 1966 (Approved Lists 1980) Centipeda Lai et al. 1983 Mitsuokella Shah and Collins 1983 Pectinatus Lee et al. 1978 (Approved Lists 1980) emend. Caldwell et al. 2013 Propionispira Schink et al. 1983 emend. Ueki et al. 2014 Schwartzia van Gylswyk et al. 1997 Selenomonas von Prowazek 1913 emend. Bryant 1974 (Approved Lists 1980) Zymophilus Schleifer et al. 1990 Megamonas hypermegale corrig. (Harrison and Hansen 1963) Shah and Collins 1983 Megamonas hypermegas (sic) (Harrison and Hansen 1963) Shah and Collins 1983 Megamonas funiformis Sakon et al. 2008 Megamonas rupellensis Chevrot et al. 2008 Sakon H. Nagai F. Morotomi M. Tanaka R. Sutterella parvirubra sp. nov. and Megamonas funiformis sp. nov., isolated from human faeces. 2008 58 4 970 975 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65456-0 18398204 Shah H.N. Collins M.D. Reclassification of Bacteroides hypermegas (Harrison and Hansen) in a new genus Megamonas, as Megamonas hypermegas comb. nov. 1982 3 3 394 398 Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Abteilung I, Originale Zentralbl Bakteriol Mikrobiol Hyg A 0174-3031 10.1016/S0721-9571(82)80020-3 Chevrot R. Carlotti A. Sopena V. Marchand P. Rosenfeld E. Megamonas rupellensis sp. nov., an anaerobe isolated from the caecum of a duck. 2008 58 12 2921 2924 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.2008/001297-0 19060083 Campbell C. Adeolu M. Gupta R.S. Genome-based taxonomic framework for the class Negativicutes: division of the class Negativicutes into the orders Selenomonadales emend., Acidaminococcales ord. nov. and Veillonellales ord. nov. 2015 65 9 3203 3215 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.000347 25999592