Cheeseman SL, Hiom SJ, Weightman AJ, Wade WG. Phylogeny of oral asaccharolytic Eubacterium species determined by 16S ribosomal DNA sequence comparison and proposal of Eubacterium infirmum sp. nov. and Eubacterium tardum sp. nov. Int J Syst Bacteriol 1996; 46:957-959.
Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 4 of the IJSB. Int J Syst Bacteriol 1997; 47:243-244.
validly published under the ICNP
According to Ludwig et al. (2021), this "species, together with E. sulci, are susceptible to being classified as a new genus".Publication:
Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218.