Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 2024 Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Bacillotaᵀ Gibbons and Murray 2021 Class Clostridia Rainey 2010 Order Eubacteriales Buchanan 1917 (Approved Lists 1980) Family Oscillospiraceae Peshkoff 1940 (Approved Lists 1980) 001 Genus Acetanaerobacterium Chen and Dong 2004 [monotypic] 002 Genus Acetivibrio Patel et al. 1980 003 Genus Acutalibacter Lagkouvardos et al. 2016 004 Genus Agathobaculum Ahn et al. 2016 005 Genus Allofournierella Oren and Molinari Novoa 2024 006 Genus Amygdalobacter Srinivasan et al. 2023 007 Genus Anaerobacterium Horino et al. 2014 [monotypic] 008 Genus Anaerofilum Zellner et al. 1996 009 Genus Anaerotruncus Lawson et al. 2004 [monotypic] 010 Genus Bengtsoniella Pardesi et al. 2024 011 Genus Butyricicoccus Eeckhaut et al. 2008 [monotypic] 012 Genus Caproicibacter Flaiz et al. 2020 013 Genus Caproicibacterium Gu et al. 2021 014 Genus Caproiciproducens Kim et al. 2015 015 Genus Cellulosibacter Watthanalamloet et al. 2012 [monotypic] 016 Genus Drancourtella Durand et al. 2023 017 Genus Dysosmobacter Le Roy et al. 2020 018 Genus Ercella van Gelder et al. 2014 [monotypic] 019 Genus Ethanoligenens Xing et al. 2006 [monotypic] 020 Genus Faecalibacterium Duncan et al. 2002 [monotypic] 021 Genus Faecalispora Rios-Galicia et al. 2024 022 Genus Fastidiosipila Falsen et al. 2005 [monotypic] 023 Genus Flavonifractor Carlier et al. 2010 [monotypic] 024 Genus Flintibacter Lagkouvardos et al. 2016 025 Genus Fumia Liu et al. 2022 026 Genus Gemmiger Gossling and Moore 1975 (Approved Lists 1980) [monotypic] 027 Genus Harryflintia Petzoldt et al. 2016 028 Genus Hominenteromicrobium Afrizal et al. 2023 029 Genus Hominicoprocola Afrizal et al. 2023 030 Genus Hominilimicola Afrizal et al. 2023 031 Genus Hominimerdicola Hitch et al. 2022 032 Genus Huintestinicola Hitch et al. 2022 033 Genus Hydrogeniiclostridium corrig. Chaplin et al. 2020 034 Genus Hydrogenoanaerobacterium Song and Dong 2009 035 Genus Intestinimonas Kläring et al. 2013 [monotypic] 036 Genus Jirenia Huang et al. 2025 037 Genus Lawsonibacter Sakamoto et al. 2018 038 Genus Ligaoa Liu et al. 2022 039 Genus Mageeibacillus Austin et al. 2016 040 Genus Markusia corrig. Huang et al. 2025 041 Genus Massiliimalia Afouda et al. 2019 042 Genus Merdimmobilis Abdugheni et al. 2023 043 Genus Monoglobus Kim et al. 2017 044 Genus Muriventricola Hitch et al. 2022 045 Genus Neglectibacter Zgheib et al. 2024 046 Genus Oscillibacter Iino et al. 2007 047 Genus Oscillospiraᵀ Chatton and Pérard 1913 (Approved Lists 1980) [monotypic] 048 Genus Owariibacterium Hamaguchi et al. 2025 049 Genus Paludihabitans Deshmukh and Oren 2023 050 Genus Papillibacter Defnoun et al. 2000 [monotypic] 051 Genus Petroclostridium Zhang et al. 2018 052 Genus Porcipelethomonas Hitch et al. 2025 053 Genus Pseudobacteroides Horino et al. 2014 054 Genus Pseudoflavonifractor Carlier et al. 2010 055 Genus Pusillibacter Kitahara et al. 2022 056 Genus Ructibacterium Zenner et al. 2021 057 Genus Ruminiclostridium Zhang et al. 2018 058 Genus Ruminococcoides Molinero et al. 2021 059 Genus Ruminococcus Sijpesteijn 1948 (Approved Lists 1980) 060 Genus Ruthenibacterium Shkoporov et al. 2016 061 Genus Saccharofermentans Chen et al. 2010 062 Genus Solibaculum Sakamoto et al. 2021 063 Genus Sporobacter Grech-Mora et al. 1996 [monotypic] 064 Genus Subdoligranulum Holmstrøm et al. 2004 [monotypic] 065 Genus Tepidibaculum Slobodkina et al. 2019 066 Genus Thermocaproicibacter Nguyen et al. 2023 067 Genus Thermoclostridium Zhang et al. 2018 068 Genus Vescimonas Kitahara et al. 2021 069 Genus Youxingia Liu et al. 2022 070 Genus Zongyangia Liu et al. 2022 071 Genus "Angelakisella" Mailhe et al. 2017 nom. inval. 072 Genus "Bittarella" Durand et al. 2017 nom. inval. 073 Genus "Brotocaccenecus" Afrizal et al. 2022 nom. inval. 074 Genus "Congzhengia" Liu et al. 2021 nom. inval. 075 Genus "Gorbachella" Durand et al. 2017 nom. inval. 076 Genus "Jilunia" Liu et al. 2021 nom. inval. 077 Genus "Marasmitruncus" Pham et al. 2017 nom. inval. 078 Genus "Marseillibacter" Ndongo et al. 2017 nom. inval. 079 Genus "Mengyingia" Huang et al. 2024 nom. inval. 080 Genus "Neobittarella" Bilen et al. 2018 nom. inval. 081 Genus "Neopoerus" Selma-Royo et al. 2023 nom. inval. 082 Genus "Phocea" Ndongo et al. 2016 nom. inval. 083 Genus "Provencibacterium" Traore et al. 2017 nom. inval. 084 Genus "Pygmaiobacter" Bilen et al. 2017 nom. inval. 085 Genus "Qingrenia" Liu et al. 2021 nom. inval. 086 Genus "Qingyuzengella" Huang et al. 2024 nom. inval. 087 Genus "Scatolibacter" Zgheib et al. 2021 nom. inval. 088 Genus "Shuzhengia" Liu et al. 2021 nom. inval. 089 Genus "Vermiculatibacterium" Afrizal et al. 2022 nom. inval. 090 Genus "Yanshouia" Liu et al. 2021 nom. inval. 091 Genus "Candidatus Allobutyricicoccus" Glendinning et al. 2022 092 Genus "Candidatus Alloruminococcus" Glendinning et al. 2022 093 Genus "Candidatus Alloscillospira" Glendinning et al. 2022 094 Genus "Candidatus Apopatocola" Gilroy et al. 2022 nom. pro-inval. 095 Genus "Candidatus Aristotella" Glendinning et al. 2022 096 Genus "Candidatus Avimicrobium" Glendinning et al. 2022 097 Genus "Candidatus Avoscillospira" Gilroy et al. 2022 098 Genus "Candidatus Caccousia" Gilroy et al. 2022 099 Genus "Candidatus Cibionibacter" corrig. Pasolli et al. 2022 100 Genus "Candidatus Copronaster" Gilroy et al. 2022 nom. pro-inval. 101 Genus "Candidatus Egerieicola" Gilroy et al. 2022 102 Genus "Candidatus Enterenecus" Gilroy et al. 2022 103 Genus "Candidatus Equicaccousia" Gilroy et al. 2022 nom. pro-inval. 104 Genus "Candidatus Equinaster" Gilroy et al. 2022 nom. pro-inval. 105 Genus "Candidatus Evtepia" Strandwitz et al. 2019 nom. pro-inval. 106 Genus "Candidatus Faeciplasma" Gilroy et al. 2022 107 Genus "Candidatus Faecivivens" Gilroy et al. 2022 108 Genus "Candidatus Faecousia" Gilroy et al. 2022 109 Genus "Candidatus Falkowella" Glendinning et al. 2022 110 Genus "Candidatus Fimenecus" Gilroy et al. 2022 111 Genus "Candidatus Fimivicinus" Gilroy et al. 2022 112 Genus "Candidatus Fimivivens" Gilroy et al. 2022 113 Genus "Candidatus Gallacutalibacter" Gilroy et al. 2022 114 Genus "Candidatus Heteroruminococcus" Glendinning et al. 2022 115 Genus "Candidatus Heteroscillospira" corrig. Glendinning et al. 2022 116 Genus "Candidatus Improbicoccus" Takahashi et al. 2023 nom. pro-inval. 117 Genus "Candidatus Intestinicoccus" Zhou et al. 2023 nom. pro-inval. 118 Genus "Candidatus Limivicinus" Gilroy et al. 2022 119 Genus "Candidatus Limousia" Gilroy et al. 2022 120 Genus "Candidatus Merdivicinus" Gilroy et al. 2022 121 Genus "Candidatus Metaruminococcus" Glendinning et al. 2022 122 Genus "Candidatus Neoruminococcus" Glendinning et al. 2022 123 Genus "Candidatus Onthomonas" Gilroy et al. 2022 124 Genus "Candidatus Onthovicinus" Gilroy et al. 2022 125 Genus "Candidatus Paraimprobicoccus" Takahashi et al. 2023 nom. pro-inval. 126 Genus "Candidatus Pararuminococcus" Glendinning et al. 2022 127 Genus "Candidatus Pelethomonas" Gilroy et al. 2022 128 Genus "Candidatus Pseudobutyricicoccus" Glendinning et al. 2022 129 Genus "Candidatus Pseudoruminococcus" Glendinning et al. 2022 130 Genus "Candidatus Pseudoscillospira" corrig. Glendinning et al. 2022 131 Genus "Candidatus Scatavimonas" Gilroy et al. 2022 132 Genus "Candidatus Scatomorpha" Gilroy et al. 2022 133 Genus "Candidatus Scatonaster" Gilroy et al. 2022 nom. pro-inval. 134 Genus "Candidatus Scatovicinus" Gilroy et al. 2022 135 Genus "Candidatus Schneewindia" Glendinning et al. 2022 136 Genus "Candidatus Scybalenecus" Gilroy et al. 2022 137 Genus "Candidatus Ventrousia" Gilroy et al. 2022 138 Genus "Candidatus Vesiculincola" Treitli et al. 2023 nom. pro-inval.