Helcococcus Collins et al. 1993 Helcococcus kunzii Collins et al. 1993 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Firmicutes (sic) Gibbons and Murray 2021 Bacillota corrig. Gibbons and Murray 2021 Firmacutes (sic) Gibbons and Murray 2021 Clostridia Rainey 2010 Clostridiales Prévot 1953 (Approved Lists 1980) Peptoniphilaceae Johnson et al. 2014 Helcococcus Collins et al. 1993 Peptoniphilaceae Johnson et al. 2014 Peptoniphilus Ezaki et al. 2001 emend. Aujoulat et al. 2021 Ezakiella Patel et al. 2015 Anaerococcus Ezaki et al. 2001 Anaerosphaera Ueki et al. 2009 Finegoldia Murdoch and Shah 2000 Gallicola Ezaki et al. 2001 Murdochiella Ulger-Toprak et al. 2010 Parvimonas Tindall and Euzéby 2006 Citroniella Patel et al. 2019 Aedoeadaptatus Hitch et al. 2022 Helcococcus ovis Collins et al. 1999 Helcococcus kunzii Collins et al. 1993 Helcococcus sueciensis Collins et al. 2004 Johnson C.N. Whitehead T.R. Cotta M.A. Rhoades R.E. Lawson P.A. Peptoniphilus stercorisuis sp. nov., isolated from a swine manure storage tank and description of Peptoniphilaceae fam. nov. 2014 64 10 3538 3545 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.058941-0 25056296 Collins M.D. Falsen E. Foster G. Monasterio L.R. Dominguez L. Fernandez-Garazabal J.F. Helcococcus ovis sp. nov., a gram-positive organism from sheep. 1999 49 4 1429 1432 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-4-1429 10555322 Collins M.D. Facklam R.R. Rodrigues U.M. Ruoff K.L. Phylogenetic analysis of some Aerococcus-like organisms from clinical sources: description of Helcococcus kunzii gen. nov., sp. nov. 1993 43 3 425 429 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-3-425 8347503 Alauzet C. Marchandin H. Courtin P. Mory F. Lemée L. Pons J.-L. Chapot-Chartier M.-P. Lozniewski A. Jumas-Bilak E. Multilocus analysis reveals diversity in the genus Tissierella: Description of Tissierella carlieri sp. nov. in the new class Tissierellia classis nov. 2014 37 23 34 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020 10.1016/j.syapm.2013.09.007 24268443 Collins M.D. Falsen E. Brownlee K. Lawson P.A. Helcococcus sueciensis sp. nov., isolated from a human wound 2004 54 5 1557 1560 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63077-0 15388710