Name: Ruthenibacterium Shkoporov et al. 2016
Etymology: Ru.the.ni.bac.te’ri.um. M.L. fem. n. Ruthenia, medieval Latin name of Russia; Gr. neut. dim. n. baktêrion, a small rod; N.L. neut. n. Ruthenibacterium, a rod-shaped bacterium isolated in Russia
Gender, pronunciation (Latin): neuter (stem: Ruthenibacteri-), ru-the-ni-bak-TE-ri-um
Type species: Ruthenibacterium lactatiformans Shkoporov et al. 2016
Conduct genome-based taxonomy of genus at TYGS
Valid publication:
Shkoporov AN, Chaplin AV, Shcherbakova VA, Suzina NE, Kafarskaia LI, Bozhenko VK, Efimov BA. Ruthenibacterium lactatiformans gen. nov., sp. nov., an anaerobic, lactate-producing member of the family Ruminococcaceae isolated from human faeces. Int J Syst Evol Microbiol 2016; 66:3041-3049. 
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IJSEM list:
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 8 of the IJSEM. Int J Syst Evol Microbiol 2016; 66:4306-4309.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
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Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 6
| Name | Nomenclatural status | Taxonomic status |
|---|---|---|
| "Candidatus Ruthenibacterium avium" Gilroy et al. 2021 | not validly published | pro-correct name |
| Ruthenibacterium intestinale Hitch et al. 2025 | validly published under the ICNP | correct name |
| Ruthenibacterium lactatiformans Shkoporov et al. 2016 | validly published under the ICNP | correct name |
| "Candidatus Ruthenibacterium merdavium" Gilroy et al. 2021 | not validly published | pro-correct name |
| "Candidatus Ruthenibacterium merdigallinarum" Gilroy et al. 2021 | not validly published | pro-correct name |
| "Candidatus Ruthenibacterium merdipullorum" Gilroy et al. 2021 | not validly published | pro-correct name |
Parent taxon: Oscillospiraceae Peshkoff 1940 (Approved Lists 1980)
Assigned by:
Tindall BJ. The names Hungateiclostridium Zhang et al. 2018, Hungateiclostridium thermocellum (Viljoen et al. 1926) Zhang et al. 2018, Hungateiclostridium cellulolyticum (Patel et al. 1980) Zhang et al. 2018, Hungateiclostridium aldrichii (Yang et al. 1990) Zhang et al. 2018, Hungateiclostridium alkalicellulosi (Zhilina et al. 2006) Zhang et al. 2018, Hungateiclostridium clariflavum (Shiratori et al. 2009) Zhang et al. 2018, Hungateiclostridium straminisolvens (Kato et al. 2004) Zhang et al. 2018 and Hungateiclostridium saccincola (Koeck et al. 2016) Zhang et al. 2018 contravene Rule 51b of the International Code of Nomenclature of Prokaryotes and require replacement names in the genus Acetivibrio Patel et al. 1980. Int J Syst Evol Microbiol 2019; 69:3927-3932. 🇩🇪
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