| Acetanaerobacterium Chen and Dong 2004 |
validly published under the ICNP |
correct name |
| Acetivibrio Patel et al. 1980 |
validly published under the ICNP |
correct name |
| Acidaminobacterium Liu et al. 2026 |
validly published under the ICNP |
correct name |
| Acutalibacter Lagkouvardos et al. 2016 |
validly published under the ICNP |
correct name |
| Agathobaculum Ahn et al. 2016 |
validly published under the ICNP |
correct name |
| "Candidatus Allobutyricicoccus" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| Allofournierella Oren and Molinari Novoa 2024 |
validly published under the ICNP |
correct name |
| "Candidatus Alloruminococcus" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Alloscillospira" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| Amygdalobacter Srinivasan et al. 2023 |
validly published under the ICNP |
correct name |
| Anaerobacterium Horino et al. 2014 |
validly published under the ICNP |
correct name |
| Anaerofilum Zellner et al. 1996 |
validly published under the ICNP |
correct name |
| Anaerotruncus Lawson et al. 2004 |
validly published under the ICNP |
correct name |
| "Angelakisella" Mailhe et al. 2017 |
not validly published |
preferred name |
| "Candidatus Apopatocola" Gilroy et al. 2022 |
not validly published |
preferred name |
| "Candidatus Aristotella" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Avimicrobium" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Avoscillospira" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| Bengtsoniella Pardesi et al. 2024 |
validly published under the ICNP |
correct name |
| "Bittarella" Durand et al. 2017 |
not validly published |
preferred name |
| "Brotocaccenecus" Afrizal et al. 2022 |
not validly published |
preferred name |
| Butyricicoccus Eeckhaut et al. 2008 |
validly published under the ICNP |
correct name |
| "Candidatus Caccousia" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| Caproicibacter Flaiz et al. 2020 |
validly published under the ICNP |
correct name |
| Caproicibacterium Gu et al. 2021 |
validly published under the ICNP |
correct name |
| Caproiciproducens Kim et al. 2015 |
validly published under the ICNP |
correct name |
| Cellulosibacter Watthanalamloet et al. 2012 |
validly published under the ICNP |
correct name |
| "Candidatus Cibiobacter" Pasolli et al. 2019 |
inaccurate spelling |
misspelling |
| "Candidatus Cibionibacter" corrig. Pasolli et al. 2019 |
not validly published |
pro-correct name |
| "Congzhengia" Liu et al. 2021 |
not validly published |
preferred name |
| "Candidatus Copronaster" Gilroy et al. 2022 |
not validly published |
preferred name |
| Drancourtella Durand et al. 2023 |
validly published under the ICNP |
correct name |
| Dysosmobacter Le Roy et al. 2020 |
validly published under the ICNP |
correct name |
| "Candidatus Egerieicola" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Enterenecus" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Equicaccousia" Gilroy et al. 2022 |
not validly published |
preferred name |
| "Candidatus Equinaster" Gilroy et al. 2022 |
not validly published |
preferred name |
| Ercella van Gelder et al. 2014 |
validly published under the ICNP |
correct name |
| Ethanoligenens Xing et al. 2006 |
validly published under the ICNP |
correct name |
| "Candidatus Evtepia" Strandwitz et al. 2019 |
not validly published |
preferred name |
| Faecalibacterium Duncan et al. 2002 |
validly published under the ICNP |
correct name |
| Faecalispora Rios-Galicia et al. 2024 |
validly published under the ICNP |
correct name |
| "Candidatus Faeciplasma" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Faecivivens" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Faecousia" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Falkowella" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| Fastidiosipila Falsen et al. 2005 |
validly published under the ICNP |
correct name |
| "Candidatus Fimenecus" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Fimivicinus" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Fimivivens" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| Flavonifractor Carlier et al. 2010 |
validly published under the ICNP |
correct name |
| Flintibacter Lagkouvardos et al. 2016 |
validly published under the ICNP |
correct name |
| Fournierella Togo et al. 2017 |
validly published under the ICNP, illegitimate name |
synonym |
| Fumia Liu et al. 2022 |
validly published under the ICNP |
correct name |
| "Candidatus Gallacutalibacter" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| Gemmiger Gossling and Moore 1975 (Approved Lists 1980) |
validly published under the ICNP |
correct name |
| "Gorbachella" Durand et al. 2017 |
not validly published |
preferred name |
| Harryflintia Petzoldt et al. 2016 |
validly published under the ICNP |
correct name |
| Herbivorax Koeck et al. 2016 |
validly published under the ICNP |
synonym |
| "Candidatus Heteroruminococcus" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Heteroscilispira" Glendinning et al. 2021 |
inaccurate spelling |
misspelling |
| "Candidatus Heteroscillospira" corrig. Glendinning et al. 2021 |
not validly published |
pro-correct name |
| Hominenteromicrobium Afrizal et al. 2023 |
validly published under the ICNP |
correct name |
| Hominicoprocola Afrizal et al. 2023 |
validly published under the ICNP |
correct name |
| Hominilimicola Afrizal et al. 2023 |
validly published under the ICNP |
correct name |
| Hominimerdicola Hitch et al. 2022 |
validly published under the ICNP |
correct name |
| Huintestinicola Hitch et al. 2022 |
validly published under the ICNP |
correct name |
| Hungateiclostridium Zhang et al. 2018 |
validly published under the ICNP, illegitimate name |
synonym |
| Hydrogeniiclostidium Chaplin et al. 2020 |
inaccurate spelling |
misspelling |
| Hydrogeniiclostridium corrig. Chaplin et al. 2020 |
validly published under the ICNP |
correct name |
| Hydrogenoanaerobacterium Song and Dong 2009 |
validly published under the ICNP |
correct name |
| "Candidatus Improbicoccus" Takahashi et al. 2023 |
not validly published |
preferred name |
| "Candidatus Intestinicoccus" Zhou et al. 2023 |
not validly published |
preferred name |
| "Intestinifractor" Liu et al. 2020 |
not validly published |
preferred name |
| Intestinimonas Kläring et al. 2013 |
validly published under the ICNP |
correct name |
| "Jilunia" Liu et al. 2021 |
not validly published |
preferred name |
| Jirenia Huang et al. 2025 |
validly published under the ICNP |
correct name |
| Lawsonibacter Sakamoto et al. 2018 |
validly published under the ICNP |
correct name |
| Ligaoa Liu et al. 2022 |
validly published under the ICNP |
correct name |
| "Candidatus Limivicinus" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Limousia" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Lipomuribacter" Liu et al. 2020 |
not validly published |
preferred name |
| Mageeibacillus Austin et al. 2016 |
validly published under the ICNP |
correct name |
| "Marasmitruncus" Pham et al. 2017 |
not validly published |
preferred name |
| Markus Huang et al. 2025 |
inaccurate spelling |
misspelling |
| Markusia corrig. Huang et al. 2025 |
validly published under the ICNP |
correct name |
| "Marseillibacter" Ndongo et al. 2017 |
not validly published |
preferred name |
| Massiliimalia Afouda et al. 2019 |
validly published under the ICNP |
correct name |
| "Massiliimalia" corrig. Traore et al. 2017 |
not validly published |
synonym |
| "Massilimaliae" Traore et al. 2017 |
inaccurate spelling |
misspelling |
| "Mengyingia" Huang et al. 2024 |
not validly published |
preferred name |
| Merdimmobilis Abdugheni et al. 2023 |
validly published under the ICNP |
correct name |
| "Candidatus Merdivicinus" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Metaruminococcus" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| Monoglobus Kim et al. 2017 |
validly published under the ICNP |
correct name |
| Muriventricola Hitch et al. 2022 |
validly published under the ICNP |
correct name |
| "Neglecta" Bessis et al. 2016 |
not validly published |
synonym |
| Neglectibacter Zgheib et al. 2024 |
validly published under the ICNP |
correct name |
| "Neobittarella" Bilen et al. 2018 |
not validly published |
preferred name |
| "Neopoerus" Selma-Royo et al. 2023 |
not validly published |
preferred name |
| "Candidatus Neoruminococcus" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Onthomonas" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Onthovicinus" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| Oscillibacter Iino et al. 2007 |
validly published under the ICNP |
correct name |
| Oscillospira Chatton and Pérard 1913 (Approved Lists 1980) |
validly published under the ICNP |
correct name |
| Owariibacterium Hamaguchi et al. 2025 |
validly published under the ICNP |
correct name |
| Paludicola Li et al. 2017 |
validly published under the ICNP, illegitimate name |
synonym |
| Paludihabitans Deshmukh and Oren 2023 |
validly published under the ICNP |
correct name |
| Papillibacter Defnoun et al. 2000 |
validly published under the ICNP |
correct name |
| "Candidatus Paraimprobicoccus" Takahashi et al. 2023 |
not validly published |
preferred name |
| "Candidatus Pararuminococcus" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Pelethomonas" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| Petroclostridium Zhang et al. 2018 |
validly published under the ICNP |
correct name |
| "Phocea" Ndongo et al. 2016 |
not validly published |
preferred name |
| Porcipelethomonas Hitch et al. 2025 |
validly published under the ICNP |
correct name |
| "Provencibacterium" Traore et al. 2017 |
not validly published |
preferred name |
| Pseudobacteroides Horino et al. 2014 |
validly published under the ICNP |
correct name |
| "Candidatus Pseudobutyricicoccus" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| Pseudoflavonifractor Carlier et al. 2010 |
validly published under the ICNP |
correct name |
| "Candidatus Pseudoruminococcus" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Pseudoscilispira" Glendinning et al. 2021 |
inaccurate spelling |
misspelling |
| "Candidatus Pseudoscillospira" corrig. Glendinning et al. 2021 |
not validly published |
pro-correct name |
| Pusillibacter Kitahara et al. 2022 |
validly published under the ICNP |
correct name |
| Pusillimonas Kitahara et al. 2021 |
validly published under the ICNP, illegitimate name, later homonym |
synonym |
| "Pygmaiobacter" Bilen et al. 2017 |
not validly published |
preferred name |
| "Qingrenia" Liu et al. 2021 |
not validly published |
preferred name |
| "Qingyuzengella" Huang et al. 2024 |
not validly published |
preferred name |
| "Rigidibacter" Liu et al. 2020 |
not validly published |
preferred name |
| Ructibacterium Zenner et al. 2021 |
validly published under the ICNP |
correct name |
| Ruminiclostridium Zhang et al. 2018 |
validly published under the ICNP |
correct name |
| Ruminococcoides Molinero et al. 2021 |
validly published under the ICNP |
correct name |
| Ruminococcus Sijpesteijn 1948 (Approved Lists 1980) |
validly published under the ICNP |
correct name |
| Ruthenibacterium Shkoporov et al. 2016 |
validly published under the ICNP |
correct name |
| Saccharofermentans Chen et al. 2010 |
validly published under the ICNP |
correct name |
| "Candidatus Scatavimonas" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Scatolibacter" Zgheib et al. 2022 |
not validly published |
preferred name |
| "Candidatus Scatomorpha" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Scatonaster" Gilroy et al. 2022 |
not validly published |
preferred name |
| "Candidatus Scatovicinus" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Schneewindia" Glendinning et al. 2021 |
not validly published |
pro-correct name |
| "Candidatus Scybalenecus" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Shuzhengia" Liu et al. 2021 |
not validly published |
preferred name |
| Solibaculum Sakamoto et al. 2021 |
validly published under the ICNP |
correct name |
| Sporobacter Grech-Mora et al. 1996 |
validly published under the ICNP |
correct name |
| Subdoligranulum Holmstrøm et al. 2004 |
validly published under the ICNP |
correct name |
| Tepidibaculum Slobodkina et al. 2019 |
validly published under the ICNP |
correct name |
| Thermocaproicibacter Nguyen et al. 2023 |
validly published under the ICNP |
correct name |
| Thermoclostridium Zhang et al. 2018 |
validly published under the ICNP |
correct name |
| "Candidatus Ventrousia" Gilroy et al. 2021 |
not validly published |
pro-correct name |
| "Vermiculatibacterium" Afrizal et al. 2022 |
not validly published |
preferred name |
| Vescimonas Kitahara et al. 2021 |
validly published under the ICNP |
correct name |
| "Candidatus Vesiculincola" Treitli et al. 2023 |
not validly published |
preferred name |
| "Vitreibacter" Liu et al. 2020 |
not validly published |
preferred name |
| "Yanshouia" Liu et al. 2021 |
not validly published |
preferred name |
| Youxingia Liu et al. 2022 |
validly published under the ICNP |
correct name |
| Zongyangia Liu et al. 2022 |
validly published under the ICNP |
correct name |