Name: Flavobacteriaceae Reichenbach 1992
Etymology: Fla.vo.bac.te.ri.a’ce.ae. N.L. neut. n. Flavobacterium, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Flavobacteriaceae, the Flavobacterium family
Pronunciation (Latin), gender: fla-wo-bak-te-ri-A-ke-a͡e, feminine
Type genus: Flavobacterium Bergey et al. 1923 (Approved Lists 1980)
Effective publication: Reichenbach H. Order 1. Cytophagales Leadbetter 1974, 99*=. In: Staley JT, Bryant MP, Pfennig N, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 3., The Williams & Wilkins Co., Baltimore, 1989, p. 2011-2013. 🇩🇪
IJSEM list:
Anonymous. Validation list no. 41. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1992; 42:327-328. 
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
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Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 1 of the IJSB. Int J Syst Bacteriol 1996; 46:627.
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Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 3 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:1077-1079.
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Number of child taxa with a validly published and correct name: 170
Number of child taxa with a validly published name, including synonyms: 198
Total number of child taxa: 234
| Name | Nomenclatural status | Taxonomic status |
|---|---|---|
| Abyssalbus Xu et al. 2022 | validly published under the ICNP | correct name |
| Actibacter Kim et al. 2008 | validly published under the ICNP | correct name |
| Aegicerativicinus Huang et al. 2022 | validly published under the ICNP | correct name |
| Aequorivita Bowman and Nichols 2002 | validly published under the ICNP | correct name |
| Aestuariibaculum Jeong et al. 2013 | validly published under the ICNP | correct name |
| Aestuariicola Yoon et al. 2008 | validly published under the ICNP | synonym |
| Aestuariimonas Park et al. 2018 | validly published under the ICNP | correct name |
| Aestuariivivens Park et al. 2015 | validly published under the ICNP | correct name |
| "Aggregatimonas" Chung et al. 2022 | not validly published | preferred name |
| Algibacter Nedashkovskaya et al. 2004 | validly published under the ICNP | correct name |
| Algitalea Yoon et al. 2015 | validly published under the ICNP | correct name |
| Algorimicrobium García-López et al. 2026 | validly published under the ICNP | synonym |
| "Algorimicrobium" Kurilenko et al. 2026 | not validly published | synonym |
| "Allocellulophaga" Nakajima et al. 2026 | not validly published | preferred name |
| Allocoenonia Oren and Molinari Novoa 2024 | validly published under the ICNP | correct name |
| Allomuricauda Deshmukh and Oren 2023 | validly published under the ICNP, illegitimate name | synonym |
| Allotamlana Huang et al. 2025 | validly published under the ICNP | synonym |
| Altibacter Chen et al. 2026 | validly published under the ICNP | correct name |
| "Altuibacter" Chen et al. 2013 | not validly published | synonym |
| Amniculibacterium Chen et al. 2020 | validly published under the ICNP | correct name |
| "Candidatus Amoebinatus" Greub et al. 2004 | not validly published | pro-correct name |
| Antarcticibacterium Li et al. 2018 | validly published under the ICNP | correct name |
| Antarcticimonas Yang et al. 2014 | validly published under the ICNP | correct name |
| [Antarcticum] | preliminary entry that lacks crucial information | |
| Aquaticitalea Xamxidin et al. 2016 | validly published under the ICNP | correct name |
| Aquibacter Hameed et al. 2014 | validly published under the ICNP | correct name |
| Aquimarina Nedashkovskaya et al. 2005 | validly published under the ICNP | correct name |
| Arcticiflavibacter Liu et al. 2016 | validly published under the ICNP | synonym |
| "Candidatus Arcticimaribacter" Priest et al. 2022 | not validly published | preferred name |
| Arenibacter Ivanova et al. 2001 | validly published under the ICNP | correct name |
| Arenitalea Zhang et al. 2013 | validly published under the ICNP | synonym |
| Ascidiaceibacter Chen et al. 2025 | validly published under the ICNP | correct name |
| Ascidiimonas Yoon et al. 2016 | validly published under the ICNP | correct name |
| Asprobacillus Rey-Velasco et al. 2024 | validly published under the ICNP | correct name |
| Aurantiacicella Teramoto et al. 2016 | validly published under the ICNP | correct name |
| Aurantibacter García-López et al. 2020 | validly published under the ICNP | correct name |
| Aurantibrevibacter Cao et al. 2026 | validly published under the ICNP | correct name |
| Aurantivirga Song et al. 2015 | validly published under the ICNP | correct name |
| Aureibaculum Zhao et al. 2021 | validly published under the ICNP | correct name |
| Aureicoccus Park et al. 2013 | validly published under the ICNP | correct name |
| "Aureimarina" Eigemann et al. 2022 | not validly published | preferred name |
| Aureisphaera Yoon et al. 2015 | validly published under the ICNP | correct name |
| Aureitalea Park et al. 2012 | validly published under the ICNP | correct name |
| Aureivirga Haber et al. 2013 | validly published under the ICNP | correct name |
| Autumnicola Rey-Velasco et al. 2024 | validly published under the ICNP | correct name |
| "Avrilella" Leyer et al. 2020 | not validly published | preferred name |
| Bizionia Nedashkovskaya et al. 2005 | validly published under the ICNP | correct name |
| Capnocytophaga Leadbetter et al. 1982 | validly published under the ICNP | correct name |
| Cellulophaga Johansen et al. 1999 | validly published under the ICNP | correct name |
| "Cerina" Wang et al. 2023 | not validly published | preferred name |
| Changchengzhania Wang et al. 2017 | validly published under the ICNP | correct name |
| Christiangramia Deshmukh and Oren 2023 | validly published under the ICNP | correct name |
| "Citreibacter" Yoon et al. 2018 | not validly published | preferred name |
| Citreitalea Yoon et al. 2014 | validly published under the ICNP | correct name |
| "Coccinimonas" Zhang et al. 2008 | not validly published | preferred name |
| Cochleicola Shin et al. 2021 | validly published under the ICNP | correct name |
| Coenonia Vandamme et al. 1999 | validly published under the ICNP, illegitimate name | synonym |
| Cognatitamlana Huang et al. 2025 | validly published under the ICNP | correct name |
| Confluentibacter Park et al. 2016 | validly published under the ICNP | correct name |
| Constantimarinum Yang et al. 2023 | validly published under the ICNP | correct name |
| Coraliitalea Yoon et al. 2026 | validly published under the ICNP | correct name |
| Corallibacter Kim et al. 2012 | validly published under the ICNP | correct name |
| Costertonia Kwon et al. 2006 | validly published under the ICNP | correct name |
| Croceibacter Cho and Giovannoni 2003 | validly published under the ICNP | correct name |
| "Croceimarina" Li et al. 2011 | not validly published | preferred name |
| Croceiramulus Yoo et al. 2025 | validly published under the ICNP | correct name |
| Croceitalea Lee et al. 2008 | validly published under the ICNP | correct name |
| Croceivirga Hu et al. 2017 | validly published under the ICNP | correct name |
| Daejeonia Siddiqi et al. 2017 | validly published under the ICNP | correct name |
| Dokdonia Yoon et al. 2005 | validly published under the ICNP | correct name |
| Donghaeana Yoon et al. 2006 | validly published under the ICNP | synonym |
| "Candidatus Endobryopsis" Zan et al. 2019 | not validly published | pro-correct name |
| Eudoraea Alain et al. 2008 | validly published under the ICNP | correct name |
| "Candidatus Eutrophosalina" Prabhu et al. 2024 | not validly published | preferred name |
| Euzebyella Lucena et al. 2010 | validly published under the ICNP | correct name |
| Faecalibacter Chen et al. 2020 | validly published under the ICNP | correct name |
| Feifantangia Zheng et al. 2025 | validly published under the ICNP | correct name |
| Flagellimonas Bae et al. 2007 | validly published under the ICNP | correct name |
| Flavicella Teramoto and Nishijima 2015 | validly published under the ICNP | correct name |
| Flavihalobacter Yin et al. 2021 | validly published under the ICNP | synonym |
| Flavimarina Nedashkovskaya et al. 2015 | validly published under the ICNP | correct name |
| Flaviramulus Einen and Øvreås 2006 | validly published under the ICNP | correct name |
| Flavirhabdus Shakeela et al. 2015 | validly published under the ICNP | synonym |
| "Flavisericum" Li et al. 2025 | not validly published | preferred name |
| Flavivirga Yi et al. 2012 | validly published under the ICNP | correct name |
| Flavobacterium Bergey et al. 1923 (Approved Lists 1980) | validly published under the ICNP | correct name |
| Formosa Ivanova et al. 2004 | validly published under the ICNP | correct name |
| Frondibacter Yoon et al. 2015 | validly published under the ICNP | correct name |
| [Fucobacter] | preliminary entry that lacks crucial information | |
| Fulvibacter Khan et al. 2008 | validly published under the ICNP | correct name |
| Gaetbulibacter Jung et al. 2005 | validly published under the ICNP | correct name |
| Gaetbulimicrobium Yoon et al. 2006 | validly published under the ICNP | synonym |
| Galbibacter Khan et al. 2007 | validly published under the ICNP | correct name |
| Gangjinia Lee et al. 2011 | validly published under the ICNP | correct name |
| Gelatiniphilus Tang et al. 2016 | validly published under the ICNP | correct name |
| Gelidibacter Bowman et al. 1997 | validly published under the ICNP | correct name |
| Geojedonia Park et al. 2013 | validly published under the ICNP | correct name |
| Gillisia Van Trappen et al. 2004 | validly published under the ICNP | correct name |
| Gilvibacter Khan et al. 2007 | validly published under the ICNP | correct name |
| Gilvirhabdus Jayan et al. 2024 | validly published under the ICNP | correct name |
| Gramella Nedashkovskaya et al. 2005 | validly published under the ICNP, illegitimate name | synonym |
| "Candidatus Haematobacterium" corrig. Zhang and Rikihisa 2004 | not validly published | pro-correct name |
| "Haloanella" Christner et al. 2003 | not validly published | preferred name |
| Haloflavibacter Feng et al. 2020 | validly published under the ICNP | correct name |
| Halomarinibacterium Jeong et al. 2025 | validly published under the ICNP | correct name |
| Hanstruepera Hameed et al. 2015 | validly published under the ICNP | correct name |
| "Candidatus Hemobacterium" Zhang and Rikihisa 2004 | inaccurate spelling | misspelling |
| Hoppeia Kwon et al. 2014 | validly published under the ICNP | correct name |
| Hwangdonia Jung et al. 2013 | validly published under the ICNP | correct name |
| Hyunsoonleella Yoon et al. 2010 | validly published under the ICNP | correct name |
| Ichthyenterobacterium Shakeela et al. 2015 | validly published under the ICNP | synonym |
| Imtechella Surendra et al. 2012 | validly published under the ICNP | correct name |
| Jejudonia Park et al. 2013 | validly published under the ICNP | correct name |
| Jejuia Lee et al. 2009 | validly published under the ICNP | correct name |
| Joostella Quan et al. 2008 | validly published under the ICNP | correct name |
| Kordia Sohn et al. 2004 | validly published under the ICNP | correct name |
| Kriegella Nedashkovskaya et al. 2008 | validly published under the ICNP | correct name |
| Krokinobacter Khan et al. 2006 | validly published under the ICNP | synonym |
| Lacinutrix Bowman and Nichols 2005 | validly published under the ICNP | correct name |
| Leeuwenhoekiella Nedashkovskaya et al. 2005 | validly published under the ICNP | correct name |
| "Lentiprolixibacter" Ma et al. 2023 | not validly published | preferred name |
| Leptobacterium Mitra et al. 2009 | validly published under the ICNP | correct name |
| Litoribaculum Jin and Jeon 2015 | validly published under the ICNP | correct name |
| Lutaonella Arun et al. 2009 | validly published under the ICNP | correct name |
| Luteirhabdus Ren et al. 2022 | validly published under the ICNP | correct name |
| Lutibacter Choi and Cho 2006 | validly published under the ICNP | correct name |
| Lutimonas Yang et al. 2007 | validly published under the ICNP | correct name |
| Mangrovimonas Li et al. 2013 | validly published under the ICNP | correct name |
| Maribacter Nedashkovskaya et al. 2004 | validly published under the ICNP | correct name |
| "Candidatus Maricapacicella" Priest et al. 2022 | not validly published | preferred name |
| "Marifrigoribacter" Sadler et al. 2025 | not validly published | preferred name |
| Mariniflexile Nedashkovskaya et al. 2006 | validly published under the ICNP | correct name |
| Marinirhabdus Wu et al. 2016 | validly published under the ICNP | correct name |
| Marinitalea Kim et al. 2026 | validly published under the ICNP | correct name |
| Marinivirga Park et al. 2013 | validly published under the ICNP | synonym |
| Maripseudobacter Chen et al. 2017 | validly published under the ICNP | synonym |
| "Candidatus Marisimplicoccus" Priest et al. 2022 | not validly published | preferred name |
| Maritimimonas Park et al. 2009 | validly published under the ICNP | correct name |
| "Candidatus Marivariicella" Priest et al. 2022 | not validly published | preferred name |
| Marixanthomonas Romanenko et al. 2007 | validly published under the ICNP | correct name |
| Marixanthotalea Fu et al. 2023 | validly published under the ICNP | correct name |
| "Meishania" Wang et al. 2025 | not validly published | preferred name |
| Meridianimaribacter Wang et al. 2010 | validly published under the ICNP | correct name |
| Mesoflavibacter Asker et al. 2008 | validly published under the ICNP | correct name |
| Mesohalobacter Feng et al. 2020 | validly published under the ICNP | correct name |
| Mesonia Nedashkovskaya et al. 2003 | validly published under the ICNP | correct name |
| Microcosmobacter Rey-Velasco et al. 2024 | validly published under the ICNP | correct name |
| Muricauda Bruns et al. 2001 | validly published under the ICNP, illegitimate name | synonym |
| Muriicola Kahng et al. 2010 | validly published under the ICNP | correct name |
| Myroides Vancanneyt et al. 1996 | validly published under the ICNP | correct name |
| Namhaeicola Jung et al. 2012 | validly published under the ICNP | correct name |
| "Candidatus Neoflavobacterium" Gilroy et al. 2022 | not validly published | preferred name |
| Neotamlana Huang et al. 2025 | validly published under the ICNP | synonym |
| Neptunitalea Yoon and Kasai 2015 | validly published under the ICNP | correct name |
| Nonlabens Lau et al. 2005 | validly published under the ICNP | correct name |
| Oceanihabitans Zhang et al. 2016 | validly published under the ICNP | correct name |
| "Ochrovirga" Kwon et al. 2014 | not validly published | preferred name |
| Olleya Mancuso Nichols et al. 2005 | validly published under the ICNP | correct name |
| Paenimyroides Zhang et al. 2023 | validly published under the ICNP | correct name |
| "Paracellulophaga" Nakajima et al. 2026 | not validly published | synonym |
| Paramesonia Wang et al. 2020 | validly published under the ICNP | correct name |
| Pareuzebyella Huang et al. 2021 | validly published under the ICNP | correct name |
| Patiriisocius Kawano et al. 2020 | validly published under the ICNP | correct name |
| Paucihalobacter Wu et al. 2020 | validly published under the ICNP | correct name |
| Pelagihabitans Wang et al. 2020 | validly published under the ICNP | correct name |
| Persicivirga O'Sullivan et al. 2006 | validly published under the ICNP | synonym |
| Pibocella Nedashkovskaya et al. 2005 | validly published under the ICNP | correct name |
| Planktosalinus Zhong et al. 2016 | validly published under the ICNP | correct name |
| Polaribacter Gosink et al. 1998 | validly published under the ICNP | correct name |
| Pontimicrobium Janthra et al. 2020 | validly published under the ICNP | correct name |
| Pontirhabdus Yi et al. 2011 | validly published under the ICNP | synonym |
| Poritiphilus Wang et al. 2020 | validly published under the ICNP | correct name |
| Postechiella Lee et al. 2012 | validly published under the ICNP | correct name |
| "Prasinibacter" Wang et al. 2022 | not validly published | preferred name |
| Pricia Yu et al. 2012 | validly published under the ICNP | correct name |
| "Candidatus Prosiliicoccus" Francis et al. 2019 | not validly published | pro-correct name |
| Pseudalgibacter Li et al. 2022 | validly published under the ICNP | correct name |
| Pseudobizionia Park et al. 2018 | validly published under the ICNP | synonym |
| Pseudofulvibacter Yoon et al. 2013 | validly published under the ICNP | correct name |
| Pseudotamlana Huang et al. 2025 | validly published under the ICNP | correct name |
| Pseudotenacibaculum Huang et al. 2016 | validly published under the ICNP | correct name |
| Pseudozobellia Nedashkovskaya et al. 2009 | validly published under the ICNP | correct name |
| Psychroflexus Bowman et al. 1999 | validly published under the ICNP | correct name |
| Psychroserpens Bowman et al. 1997 | validly published under the ICNP | correct name |
| Pukyongia Kim et al. 2022 | validly published under the ICNP | correct name |
| Pustulibacterium Wang et al. 2013 | validly published under the ICNP | correct name |
| Rasiella Kim et al. 2024 | validly published under the ICNP | correct name |
| Robertkochia Hameed et al. 2014 | validly published under the ICNP | correct name |
| Robiginitalea Cho and Giovannoni 2004 | validly published under the ICNP | correct name |
| Sabulilitoribacter Park et al. 2014 | validly published under the ICNP | synonym |
| Salegentibacter McCammon and Bowman 2000 | validly published under the ICNP | correct name |
| Salinimicrobium Lim et al. 2008 | validly published under the ICNP | correct name |
| Sandarakinotalea Khan et al. 2006 | validly published under the ICNP | synonym |
| Saonia Fagervold et al. 2017 | validly published under the ICNP | correct name |
| Sediminibacter Khan et al. 2007 | validly published under the ICNP | correct name |
| Sediminicola Khan et al. 2006 | validly published under the ICNP | correct name |
| Seonamhaeicola Park et al. 2014 | validly published under the ICNP | correct name |
| Siansivirga Hameed et al. 2013 | validly published under the ICNP | correct name |
| Sinomicrobium Xu et al. 2013 | validly published under the ICNP | correct name |
| Snuella Yi and Chun 2011 | validly published under the ICNP | correct name |
| "Sphaerocytophaga" Gräf 1961 | not validly published | preferred name |
| Spodiobacter Tomida et al. 2022 | validly published under the ICNP | correct name |
| Spongiibacterium Yoon and Oh 2012 | validly published under the ICNP | synonym |
| Spongiiferula Yoon et al. 2016 | validly published under the ICNP | correct name |
| Spongiimicrobium Yoon et al. 2016 | validly published under the ICNP | correct name |
| Spongiivirga Yoon et al. 2015 | validly published under the ICNP | correct name |
| Spongitalea Mitra et al. 2026 | validly published under the ICNP | correct name |
| Stanierella Nedashkovskaya et al. 2005 | validly published under the ICNP | synonym |
| Stenothermobacter Lau et al. 2006 | validly published under the ICNP | synonym |
| Subsaxibacter Bowman and Nichols 2005 | validly published under the ICNP | correct name |
| Subsaximicrobium Bowman and Nichols 2005 | validly published under the ICNP | correct name |
| "Sufflavibacter" Kwon et al. 2007 | not validly published | preferred name |
| Sungkyunkwania Yoon et al. 2013 | validly published under the ICNP | correct name |
| Taeania Jung et al. 2016 | validly published under the ICNP | correct name |
| Tamlana Lee 2007 | validly published under the ICNP | correct name |
| Tenacibaculum Suzuki et al. 2001 | validly published under the ICNP | correct name |
| Thalassobellus Lee et al. 2025 | validly published under the ICNP | correct name |
| Thermobacterium Chen et al. 2023 | validly published under the ICNP | synonym |
| Ulvibacter Nedashkovskaya et al. 2004 | validly published under the ICNP | correct name |
| Ulvibacterium Zhang et al. 2021 | validly published under the ICNP | correct name |
| Urechidicola Shin and Yi 2020 | validly published under the ICNP | correct name |
| "Vaginella" Diop et al. 2017 | not validly published | preferred name |
| "Vesiculatum" Suzuki et al. 1997 | not validly published | preferred name |
| Vitellibacter Nedashkovskaya et al. 2003 | validly published under the ICNP | synonym |
| Wangia Qin et al. 2007 | inaccurate spelling | misspelling |
| Wenyingzhuangia Liu et al. 2014 | validly published under the ICNP | correct name |
| Winogradskyella Nedashkovskaya et al. 2005 | validly published under the ICNP | correct name |
| Wocania He et al. 2020 | validly published under the ICNP | correct name |
| Xanthomarina Vaidya et al. 2015 | validly published under the ICNP | correct name |
| Yeosuana Kwon et al. 2006 | validly published under the ICNP | correct name |
| Zeaxanthinibacter Asker et al. 2007 | validly published under the ICNP | correct name |
| Zhouia Liu et al. 2006 | validly published under the ICNP | correct name |
| Zobellia Barbeyron et al. 2001 | validly published under the ICNP | correct name |
| Zunongwangia corrig. Qin et al. 2007 | validly published under the ICNP | correct name |
Parent taxon: Flavobacteriales Bernardet 2012
Assigned by:
Bernardet J-F. Order I. Flavobacteriales ord. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 105. 🇺🇸
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