eubacteriales eubacteriales the eubacteriales are an order of bacteria placed within the class clostridia. eubacteriales scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacterialesbuchanan 1917 (approved lists 1980) families see text synonyms "borkfalkiales" hildebrand, pallen & bork 2020 clostridiales prévot 1953 "plectridiales" prévot 1953 tissierellales alauzet et al. 2020 families eubacteriales comprises the following families: "betainaceae" jones et al. 2019 "bianqueaceae" liu et al. 2021 "borkfalkiaceae" hildebrand, pallen & bork 2020 caldicoprobacteraceae yokoyama et al. 2010 christensenellaceae morotomi, nagai & watanabe 2012 clostridiaceae pribram 1933 defluviitaleaceae jabari et al. 2012 eubacteriaceae ludwig et al. 2010 "feifaniaceae" liu et al. 2021 "galloscillospiraceae" gilroy et al. 2021 gottschalkiaceae poehlein et al. 2017c hungateiclostridiaceae zhang et al. 2018b lachnospiraceae rainey 2010 "mageeibacillaceae" hildebrand, pallen & bork 2020 "mogibacteriaceae" wylensek et al. 2020 oscillospiraceae peshkoff 1940 peptoniphilaceae johnson et al. 2014 peptostreptococcaceae ezaki 2010 ruminococcaceae rainey 2010 "pumilibacteraceae" afrizal et al. 2021 thermohalobacteraceae spring 2021 tissierellaceae wu et al. 2020 vallitaleaceae quéméneur et al. 2019 xylanivirgaceae liu et al. 2020 "yeguiaceae" liu et al. 2021 genera not assigned to a family the following genera have been assigned to clostridiales, but have not been assigned to a family. "ca. acetocimmeria" smith et al. 2021 rhabdanaerobium liu et al. 2017 "sinanaerobacter" bao et al. 2021 phylogeny the currently accepted taxonomy based on the list of prokaryotic names with standing in nomenclature (lpsn) and the national center for biotechnology information (ncbi). 120 marker proteins based genome taxonomy database clostridia s.s. "lutisporales" clostridiales s.s. eubacteriales s.s. tissierellales "peptostreptococcales" "mahellales" "caldicoprobacterales" "christensenellales" tanb77 uba1212 "saccharofermentanales" "acetivibrionales" sk-y3 uba1381 "monoglobales" "oscillospirales" "lachnospirales"