- Género Facklamia
- Facklamia sp, Collins et al. 1997
- Género Faecalicatena
- Faecalicatena sp, Sakamoto et al. 2017
- Género Faunimonas
- Faunimonas pinastri, Proença et al. 2022
- CECT
8949 T; LMG 29042; UCCCB 130
- Género Fermentimonas
- Fermentimonas caenicola, Hahnke et al. 2016
- CECT
8609 T; DSM 28696; LMG 28429
- Género Ferranicluibacter
- Ferranicluibacter rubi, Roca-Couso et al. 2023
- Género Ferruginibacter
- Ferruginibacter paludis, Kang et al. 2015
- CECT
8366 T; KCTC 42121
- Ferruginibacter yonginensis, Lee et al. 2014
- CECT
8289 T; KACC 17314
- Género Filobacillus
- Género Flavimaricola
- Flavimaricola marinus, Wirth and Whitman 2018
- CECT
8899 T; KCTC 42722
- Género Flavobacterium
- Flavobacterium aquatile, (Frankland and Frankland 1889) Bergey et al. 1923 emend. Bernardet et al. 1996
- Flavobacterium branchiarum, Zamora et al. 2016
- Flavobacterium branchiicola, Zamora et al. 2016
- Flavobacterium ceti, Vela et al. 2007
- Flavobacterium collinsii, Zamora et al. 2016
- CECT
7796 T; CCUG 60109
- Flavobacterium columnare, (ex Davis 1922) Bernardet et al. 1996
- Flavobacterium faecale, Kim et al. 2014
- CECT
8384 T; KCTC 32457
- Flavobacterium gyeonganense, Kim et al. 2014
- CECT
8365 T; KACC 17688
- Flavobacterium johnsoniae, (Stanier 1947) Bernardet et al. 1996
- CECT
5015; NCIB 10150; strain C4
- CECT
5803; 91/0262-4
- Flavobacterium jumunjinense, Joung et al. 2013
- CECT
7955 T; KCTC 23618
- Flavobacterium kingsejongi, Choi et al. 2018
- CECT
9085 T; KCTC 42908
- Flavobacterium myungsuense, Joung et al. 2012
- CECT
7649 T; KCTC 22825
- Flavobacterium oncorhynchi, Zamora et al. 2012
- Flavobacterium paronense, Joung et al. 2016
- CECT
8460 T; KACC 17692
- Flavobacterium piscis, Zamora et al. 2014
- Flavobacterium plurextorum, Zamora et al. 2014
- Flavobacterium pygoscelis, Irgang et al. 2023
- Flavobacterium sp
- Flavobacterium succinicans, (Reichenbach 1989) Bernardet et al. 1996
- Flavobacterium tructae, Zamora et al. 2014
- Flavobacterium yonginense, Joung et al. 2012
- CECT
7594 T; KCTC 22796
- Género Flectobacillus
- Flectobacillus sp
- CECT
7595
- CECT
7598; KCTC 22827
- Género Fluoribacter
- Fluoribacter bozemanae, Garrity et al. 1980
- CECT
7276 T; ATCC 33217; CCUG 11880; NCTC 11368
- Género Fluviimonas
- Fluviimonas sp, Sheu et al. 2013
- Género Fodinibius
- Fodinibius salsisoli, Galisteo et al. 2023
- Género Fodinicurvata
- Fodinicurvata halophila, Infante-Dominguez et al. 2015
- CECT
8472 T; CCM 8504; JCM 19075; LMG 27945
- Género Fontibacillus
- Fontibacillus panacisegetis, Lee et al. 2011
- CECT
7605 T; KCTC 13564; CIP 110592; DSM 28129
- Fontibacillus phaseoli, Flores-Felix et al. 2014
- Fontibacillus solani, Ramírez-Bahena et al. 2015
- Género Formosa
- Formosa sediminum, Han et al. 2020
- CECT
9918 T; KCCM 43301
- Formosa undariae, Park et al. 2013
- CECT
8286 T; KCTC 32328
- Género Francisella
- Francisella noatunensis subsp. chilensis, Ramirez-Paredes et al. 2020
- CECT
9798 T; NCTC 14375
- Género Frankia
- Frankia alni, Nouioui et al. 2016 (Woronin 1866) Von Tubeuf 1895
- Frankia canadensis, Normand et al. 2018
- Frankia casuarinae, Nouioui et al. 2016
- Frankia sp, Brunchorst 1886
- Frankia torreyi, Nouioui et al. 2019
- Género Frigoriglobus
- Frigoriglobus tundricola, Kulichevskaya et al. 2020
- CECT
9407 T; VKM B-3467
- Género Fructilactobacillus
- Fructilactobacillus fructivorans, Zheng et al. 2020
- CECT
4670; Imai OR-8
- CECT
4677; BUCSAV 237; LMG 9202; NCFB 2166; NCTC 5223; W1
- CECT
4785 T; ATCC 8288; CCRC 14623; CIP 103042; DSM 20203; IFO 13954; JCM 1117; LMG 9201; LMG 11715; NCIMB 8039; NRIC 1057; NRRL B-3796; strain W2; USCC 2595; VTT E-91473
- Fructilactobacillus lindneri, Zheng et al. 2020
- CECT
815
- CECT
5957 T; strain KPA; CIP 102983; JCM 11027; LMG 14528
- Género Fructobacillus
- Fructobacillus cardui, Gallus et al. 2022
- Fructobacillus durionis, (Leisner et al. 2005) Endo and Okada 2008
- CECT
7089 T; CIP 108761; D-24; LAB 1679; LMG 22556
- Fructobacillus ficulneus, (Antunes et al. 2002) Endo and Okada 2008
- CECT
5747 T; FS-1; JCM 12225; LMG 21928; NRRLB-23447
- Fructobacillus fructosus, (Kodama 1956) Endo and Okada 2008
- CECT
7088 T; ATCC 13162; CECT 5748; CIP 102985; DSM 20349; IFO (now NBRC) 3516; JCM 1119; LMG 9498; NCIB (now NCIMB) 10784; NRRL B-2041
- Fructobacillus pseudoficulneus, (Chambel et al. 2006) Endo and Okada 2008
- CECT
5759 T; CIP 109309; DSM 15468; LMG 23899
- Género Fulvivirga
- Fulvivirga lutimaris, Jung et al. 2016
- CECT
9024 T; KCTC 42720