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 Lachnospiraceae Rainey 2010 001 Genus Acetatifactor Pfeiffer et al. 2013 [monotypic] 002 Genus Acetitomaculum Greening and Leedle 1995 [monotypic] 003 Genus Agathobacter Rosero et al. 2016 004 Genus Alitiscatomonas Hitch et al. 2022 005 Genus Anaerobium Patil et al. 2015 006 Genus Anaerobutyricum Shetty et al. 2018 007 Genus Anaerocolumna Ueki et al. 2016 008 Genus Anaerolentibacter Yan et al. 2024 009 Genus Anaeromicropila Ueki et al. 2023 010 Genus Anaeropeptidivorans Köller et al. 2022 011 Genus Anaerosacchariphilus Kim et al. 2019 012 Genus Anaerostipes Schwiertz et al. 2002 013 Genus Anaerotaenia Ueki et al. 2016 014 Genus Anaerotignum Ueki et al. 2017 015 Genus Anthropogastromicrobium Hitch et al. 2022 016 Genus Bilifractor Wylensek et al. 2021 017 Genus Blautia Liu et al. 2008 018 Genus Bovifimicola Hitch et al. 2025 019 Genus Brotaphodocola Afrizal et al. 2023 020 Genus Brotonthovivens Hitch et al. 2022 021 Genus Butyribacter Zou et al. 2021 022 Genus Butyrivibrio Bryant and Small 1956 (Approved Lists 1980) 023 Genus Catenibacillus Braune and Blaut 2018 024 Genus Catonella Moore and Moore 1994 [monotypic] 025 Genus Cellulosilyticum Cai and Dong 2010 026 Genus Chakrabartyella Pardesi et al. 2023 027 Genus Chordicoccus Gaffney et al. 2023 028 Genus Claveliimonas Hisatomi et al. 2023 029 Genus Coprococcus Holdeman and Moore 1974 (Approved Lists 1980) 030 Genus Cuneatibacter Lagkouvardos et al. 2016 031 Genus Diplocloster Chaplin et al. 2022 032 Genus Dorea Taras et al. 2002 033 Genus Eisenbergiella Amir et al. 2014 [monotypic] 034 Genus Enterocloster Haas and Blanchard 2020 035 Genus Eshraghiella Fatahi-Bafghi 2024 036 Genus Extibacter Lagkouvardos et al. 2017 037 Genus Faecalicatena Sakamoto et al. 2017 038 Genus Faecalimonas Sakamoto et al. 2017 039 Genus Falcatimonas Watanabe et al. 2016 040 Genus Frisingicoccus Lagkouvardos et al. 2016 041 Genus Fusibacillus Bai et al. 2024 042 Genus Fusicatenibacter Takada et al. 2013 043 Genus Gallintestinimicrobium Hitch et al. 2022 044 Genus Herbinix Koeck et al. 2015 045 Genus Hespellia Whitehead et al. 2004 046 Genus Holtiella Allen-Vercoe et al. 2023 047 Genus Hominifimenecus Afrizal et al. 2023 048 Genus Hominisplanchenecus Afrizal et al. 2023 049 Genus Hoministercoradaptatus Hitch et al. 2022 050 Genus Hominiventricola Afrizal et al. 2023 051 Genus Howardella Cook et al. 2007 [monotypic] 052 Genus Johnsonella Moore and Moore 1994 [monotypic] 053 Genus Jutongia Liu et al. 2022 054 Genus Kineothrix Haas and Blanchard 2017 055 Genus Lachnoanaerobaculum Hedberg et al. 2012 056 Genus Lachnobacterium Whitford et al. 2001 [monotypic] 057 Genus Lachnospiraᵀ Bryant and Small 1956 (Approved Lists 1980) 058 Genus Lachnotalea Jarzembowska et al. 2016 059 Genus Lacrimispora Haas and Blanchard 2020 060 Genus Laedolimicola Hitch et al. 2022 061 Genus Lientehia Abdugheni et al. 2023 062 Genus Marvinbryantia Wolin et al. 2008 [monotypic] 063 Genus Mediterraneibacter Togo et al. 2019 064 Genus Merdimonas Seo et al. 2017 065 Genus Mobilisporobacter Mbengue et al. 2016 066 Genus Mobilitalea Podosokorskaya et al. 2014 [monotypic] 067 Genus Moryella Carlier et al. 2007 [monotypic] 068 Genus Muricomes Lagkouvardos et al. 2016 069 Genus Muricoprocola Hitch et al. 2022 070 Genus Murimonas Kläring et al. 2015 [monotypic] 071 Genus Naizhengia Huang et al. 2025 072 Genus Natranaerovirga Sorokin et al. 2012 073 Genus Novisyntrophococcus Chai et al. 2021 074 Genus Oliverpabstia Wylensek et al. 2021 075 Genus Oribacterium Carlier et al. 2004 076 Genus Otoolea Afrizal et al. 2023 077 Genus Pararoseburia Abdugheni et al. 2022 078 Genus Parasporobacterium Lomans et al. 2004 [monotypic] 079 Genus Petralouisia Afrizal et al. 2025 080 Genus Porcincola Wylensek et al. 2021 081 Genus Pseudobutyrivibrio van Gylswyk et al. 1996 082 Genus Robinsoniella Cotta et al. 2009 [monotypic] 083 Genus Roseburia Stanton and Savage 1983 084 Genus Sanxizhangella Huang et al. 2025 085 Genus Schaedlerella Soh et al. 2019 086 Genus Sellimonas Seo et al. 2016 087 Genus Shuttleworthella Deshmukh and Oren 2024 088 Genus Sporobacterium Mechichi et al. 1999 [monotypic] 089 Genus Sporofaciens Rasmussen et al. 2021 090 Genus Stomatobaculum Sizova et al. 2013 091 Genus Suilimivivens Hitch et al. 2022 092 Genus Suipraeoptans corrig. Wylensek et al. 2021 093 Genus Syntrophococcus Krumholz and Bryant 1986 [monotypic] 094 Genus Variimorphobacter Rettenmaier et al. 2021 095 Genus Velocimicrobium Wylensek et al. 2021 096 Genus Ventrimonas Hitch et al. 2025 097 Genus Waltera Wylensek et al. 2021 098 Genus Yonghella Huang et al. 2025 099 Genus Zhenhengia Liu et al. 2022 100 Genus "Africanella" Alou et al. 2016 nom. inval. 101 Genus "Fusimonas" Kusada et al. 2017 nom. inval. 102 Genus "Gluceribacter" Kawata et al. 2021 nom. inval. 103 Genus "Jingyaoa" Liu et al. 2021 nom. inval. 104 Genus "Konateibacter" Sarr et al. 2022 nom. inval. 105 Genus "Luxibacter" Naud et al. 2021 nom. inval. 106 Genus "Maccoyibacter" Hitch et al. 2025 nom. inval. 107 Genus "Mordavella" Ndongo et al. 2017 nom. inval. 108 Genus "Niameybacter" Tidjani Alou et al. 2017 nom. inval. 109 Genus "Qiania" Liu et al. 2021 nom. inval. 110 Genus "Simiaoa" Liu et al. 2021 nom. inval. 111 Genus "Sporanaerobium" Hivarkar et al. 2023 nom. inval. 112 Genus "Wansuia" Liu et al. 2021 nom. inval. 113 Genus "Wujia" Liu et al. 2021 nom. inval. 114 Genus "Candidatus Alectryocaccobium" Gilroy et al. 2022 115 Genus "Candidatus Avilachnospira" Gilroy et al. 2022 116 Genus "Candidatus Caccomorpha" Gilroy et al. 2022 117 Genus "Candidatus Caccovicinus" Gilroy et al. 2022 118 Genus "Candidatus Choladocola" Gilroy et al. 2022 119 Genus "Candidatus Choladousia" Gilroy et al. 2022 120 Genus "Candidatus Colinaster" Gilroy et al. 2022 nom. pro-inval. 121 Genus "Candidatus Coprocola" Gilroy et al. 2022 122 Genus "Candidatus Copromonas" Gilroy et al. 2022 nom. pro-illeg. 123 Genus "Candidatus Coralgsqia" Gong et al. 2023 nom. pro-inval. 124 Genus "Candidatus Cottocaccomicrobium" Gilroy et al. 2022 125 Genus "Candidatus Darwinimonas" Gilroy et al. 2022 nom. pro-inval. 126 Genus "Candidatus Egerieimonas" Gilroy et al. 2022 127 Genus "Candidatus Epulonipiscioides" corrig. Ngugi et al. 2020 128 Genus "Candidatus Epulonipiscium" corrig. Montgomery and Pollak 2020 129 Genus "Candidatus Equihabitans" Gilroy et al. 2022 nom. pro-inval. 130 Genus "Candidatus Fimicola" Gilroy et al. 2022 131 Genus "Candidatus Fimimorpha" Gilroy et al. 2022 132 Genus "Candidatus Fimousia" Gilroy et al. 2022 133 Genus "Candidatus Galacturonatibacter" corrig. Valk et al. 2020 134 Genus "Candidatus Hippenecus" Gilroy et al. 2022 nom. pro-inval. 135 Genus "Candidatus Lachnocurva" Holm et al. 2022 136 Genus "Candidatus Limivivens" Gilroy et al. 2022 137 Genus "Candidatus Merdenecus" Gilroy et al. 2022 138 Genus "Candidatus Merdinaster" Gilroy et al. 2022 nom. pro-inval. 139 Genus "Candidatus Merdiplasma" Gilroy et al. 2022 140 Genus "Candidatus Merdisoma" Gilroy et al. 2022 141 Genus "Candidatus Minthocola" Gilroy et al. 2022 nom. pro-inval. 142 Genus "Candidatus Neoanaerotignum" Glendinning et al. 2022 143 Genus "Candidatus Onthocola" Gilroy et al. 2022 144 Genus "Candidatus Paralachnospira" Glendinning et al. 2022 145 Genus "Candidatus Parepulonipiscium" corrig. Ngugi et al. 2020 146 Genus "Candidatus Pelethocola" Gilroy et al. 2022 147 Genus "Candidatus Pseudolachnospira" Glendinning et al. 2022 148 Genus "Candidatus Pullilachnospira" Gilroy et al. 2022 149 Genus "Candidatus Scatomonas" Gilroy et al. 2022 150 Genus "Candidatus Scybalocola" Gilroy et al. 2022 151 Genus "Candidatus Scybalomonas" Gilroy et al. 2022 152 Genus "Candidatus Ventrisoma" Gilroy et al. 2022 153 Genus "Candidatus Weimeria" Scarborough et al. 2022