5	Bacteria	Patescibacteria	Dojkabacteria				
21	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales
27	Bacteria	Omnitrophota	Koll11	SKK-01	SKK-01	B134-G9	B134-G9 sp003644505
15	Bacteria
3	Bacteria	Planctomycetota	Planctomycetia	Pirellulales	Thermoguttaceae	JABWBD01	JABWBD01 sp012728855
5	Bacteria	Planctomycetota	Planctomycetia	Planctomycetales	Planctomycetaceae	Polystyrenella	
7	Bacteria	Planctomycetota	Planctomycetia	Pirellulales	Pirellulaceae
5	Bacteria	Planctomycetota	Planctomycetia	Pirellulales	Thermoguttaceae
6	Bacteria	Bacteroidota	Bacteroidia
14	Bacteria	Bacteroidota	Bacteroidia	Bacteroidales
3	Bacteria	Fibrobacterota	Chitinivibrionia	Chitinivibrionales	Chitinispirillaceae		
7	Bacteria	Bacteroidota	Bacteroidia
3	Bacteria	Fibrobacterota	Chitinivibrionia	Chitinivibrionales	Chitinispirillaceae		
7	Bacteria	Bacteroidota	Bacteroidia
7	Bacteria	Elusimicrobiota	Elusimicrobia_984208				
12	Bacteria	Bacteroidota	Bacteroidia	Bacteroidales	Salinivirgaceae	Salinivirga	
6	Bacteria	Bacteroidota	Bacteroidia	Bacteroidales	Prolixibacteraceae
4	Bacteria	Bacteroidota	Bacteroidia
10	Bacteria	Bacteroidota	Rhodothermia	Balneolales	Balneolaceae
18	Bacteria	Bacteroidota	Bacteroidia	Chitinophagales	Saprospiraceae	OLB9	OLB9 sp001567255
18	Bacteria	Bacteroidota	Rhodothermia	Balneolales	Balneolaceae	Fodinibius_786578	Fodinibius sp002287075
44	Bacteria
8	Bacteria	Bacteroidota	Bacteroidia
15	Bacteria	Bacteroidota	Bacteroidia	Bacteroidales	JAAYUG01	JAAYUG01	
9	Bacteria	Bacteroidota	Bacteroidia	Chitinophagales	Saprospiraceae		
6	Bacteria	Bacteroidota	Bacteroidia
5	Bacteria
11	Bacteria	Bacteroidota	Bacteroidia
7	Bacteria	Bacteroidota	Bacteroidia
7	Bacteria	Verrucomicrobiota	Verrucomicrobiae	Opitutales	Verruco-01	CK1056	CK1056 sp010500615
8	Bacteria	Bacteroidota	Bacteroidia	Chitinophagales	Saprospiraceae	OLB9	OLB9 sp001567255
6	Bacteria	Fibrobacterota	Chitinivibrionia	Chitinivibrionales	Chitinispirillaceae		
14	Bacteria	Bacteroidota	Rhodothermia	Balneolales	Balneolaceae	Fodinibius_786578
49	Bacteria	Bacteroidota	Bacteroidia	Bacteroidales	GCA-2748055	GCA-2748055	GCA-2748055 sp011056635
21	Bacteria	Bacteroidota	Bacteroidia	Chitinophagales	Saprospiraceae	OLB9	OLB9 sp001567255
20	Bacteria	Bacteroidota	Bacteroidia	Bacteroidales	Salinivirgaceae	Salinivirga	
3	Bacteria	Bacteroidota	Bacteroidia	Flavobacteriales_877923	Flavobacteriaceae	Robertkochia	Robertkochia marina
6	Bacteria	Bacteroidota	Rhodothermia	Balneolales	Balneolaceae	YR4-1	YR4-1 sp011059145
9	Bacteria	Bacteroidota	Bacteroidia	Bacteroidales
6	Bacteria	Bacteroidota	Rhodothermia	Rhodothermales
54	Bacteria	Bacteroidota	Bacteroidia	Cytophagales
38	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales	Desulfobacteraceae_459419
60	Bacteria	Bacteroidota	Bacteroidia	Cytophagales	Thermonemataceae_910791		
31	Bacteria	Bacteroidota	Bacteroidia
11	Bacteria	Bacteroidota	Rhodothermia	Rhodothermales	Salinibacteraceae
41	Bacteria	Bacteroidota	Rhodothermia	Rhodothermales	Salinibacteraceae
6	Bacteria	Bacteroidota	Rhodothermia	Rhodothermales	UBA10348	1-14-0-65-60-17	1-14-0-65-60-17 sp002787815
24	Bacteria	Bacteroidota	Rhodothermia	Rhodothermales	Salinibacteraceae	Salinibacter	Salinibacter sp002954405
8	Bacteria	Bacteroidota	Kapabacteria	Kapabacteriales	UBA2268
4	Bacteria	CG03	SLGR01	SLGR01	SLGR01	PWEK01	PWEK01 sp003553445
8	Bacteria	CG03	SLGR01	SLGR01	SLGR01	PWEK01
19	Bacteria	Patescibacteria	Paceibacteria
42	Bacteria	Acidobacteriota	Aminicenantia	Aminicenantales	Aminicenantaceae		
16	Bacteria	Patescibacteria	Paceibacteria	Paceibacterales
24	Bacteria	Patescibacteria	Paceibacteria	Paceibacterales			
7	Bacteria	Desulfobacterota_G_459546	Desulfuromonadia	Desulfuromonadales	Geopsychrobacteraceae
14	Bacteria	Nitrospirota_A_437815	Thermodesulfovibrionia	UBA6902	UBA6902	Glo-13	Glo-13 sp003354025
30	Bacteria
6	Bacteria
10	Bacteria	Acidobacteriota	Aminicenantia	Aminicenantales	Aminicenantaceae		
9	Archaea	Nanoarchaeota	Nanoarchaeia	Woesearchaeales_468	ARS49	DSQK01	DSQK01 sp011331795
12	Bacteria	Patescibacteria	Paceibacteria
6	Bacteria	Desulfobacterota_G_459544	WTBG01				
5	Bacteria	Nitrospirota_A_437815	Thermodesulfovibrionia	UBA6902	UBA6902	BMS3ABIN06	BMS3ABIN06 sp002897895
7	Bacteria	Patescibacteria	Paceibacteria	UBA9983_A
19	Bacteria	Patescibacteria	ABY1	SG8-24	GWF2-40-263
9	Bacteria	Cyanobacteria	Vampirovibrionia	Obscuribacterales	Obscuribacteraceae	PALSA-1081
4	Bacteria
11	Bacteria
9	Bacteria
9	Bacteria	Cyanobacteria	Vampirovibrionia	Gastranaerophilales	UBA9579
18	Bacteria	Patescibacteria	Gracilibacteria_12420	UM-FILTER-43-11	UM-FILTER-43-11	UM-FILTER-43-11	
15	Bacteria	Patescibacteria	Gracilibacteria_12420	UM-FILTER-43-11	UM-FILTER-43-11	UM-FILTER-43-11	UM-FILTER-43-11 sp002792495
5	Bacteria	Desulfobacterota_I	Desulfobulbia	Desulfobulbales	Desulfobulbaceae
6	Bacteria	Patescibacteria	ABY1	BM507			
10	Bacteria	Cyanobacteria	Cyanobacteriia	Phormidesmiales	Phormidesmiaceae	Halomicronema_B_30658	Halomicronema_B_30658 sp010671905
5	Bacteria	Cyanobacteria	Cyanobacteriia	Cyanobacteriales	Microcystaceae_A_24131	Rippkaea
4	Bacteria	Patescibacteria	ABY1
11	Bacteria	Cyanobacteria	Vampirovibrionia	Gastranaerophilales	UBA9579		
6	Bacteria	Chloroflexota	Anaerolineae	B4-G1	DUEL01	SpSt-77	
4	Bacteria
9	Bacteria	Cyanobacteria	Cyanobacteriia	PCC-6307			
557	Bacteria	Chloroflexota	Anaerolineae	Anaerolineales	UBA11858	B10-G9	B10-G9 sp003648195
10	Bacteria	Chloroflexota	Anaerolineae	Ardenticatenales	Ardenticatenaceae	Ardenticatena	
8	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales
7	Bacteria	Chloroflexota	Anaerolineae	Ardenticatenales	Ardenticatenaceae	Ardenticatena	
18	Bacteria
5	Bacteria	Chloroflexota	Dehalococcoidia	Dehalococcoidales
4	Bacteria	Chloroflexota	Dehalococcoidia	Dehalococcoidales			
4	Bacteria	Chloroflexota	Anaerolineae	Anaerolineales
8	Bacteria	Cyanobacteria	Cyanobacteriia	Cyanobacteriales
94	Bacteria	Chloroflexota	Anaerolineae
8	Bacteria
6	Bacteria	Patescibacteria	Gracilibacteria_12420	UBA1369
26	Bacteria	Desulfobacterota_G_459546	Desulfuromonadia	Desulfuromonadales
3	Bacteria	Chloroflexota	Dehalococcoidia	Dehalococcoidales			
6	Bacteria	Chloroflexota	Dehalococcoidia	Dehalococcoidales			
22	Bacteria	Chloroflexota	Anaerolineae	Ardenticatenales	Ardenticatenaceae	Ardenticatena	
18	Bacteria	Chloroflexota	Anaerolineae	B4-G1	SLSP01	PWVB01	PWVB01 sp007125545
4	Bacteria	Chloroflexota	Anaerolineae	B4-G1	DUEL01	SpSt-77	
11	Bacteria	Chloroflexota	Anaerolineae	B4-G1	SLSP01	PWVB01	PWVB01 sp007125545
4	Bacteria	Chloroflexota	Anaerolineae	UBA1429	UBA1429	SKLG01	SKLG01 sp007123335
12	Bacteria	Cyanobacteria	Cyanobacteriia	Cyanobacteriales	Rubidibacteraceae
5	Bacteria	Chloroflexota	Anaerolineae	Anaerolineales	UBA11858	B10-G9	
69	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales	SURF-3	Desulfosalsimonas
4	Bacteria	Omnitrophota	Omnitrophia	Omnitrophales	UBA2337		
5	Bacteria	Chloroflexota	Dehalococcoidia	Dehalococcoidales	UBA2162	MGML01	MGML01 sp001796415
12	Bacteria	Chloroflexota	Anaerolineae	Anaerolineales
5	Bacteria	Chloroflexota	Anaerolineae
5	Bacteria
10	Bacteria	Cyanobacteria	Cyanobacteriia	PCC-6307			
7	Bacteria	Chloroflexota	Anaerolineae	UBA1429	UBA1429	SKLG01	SKLG01 sp007123335
9	Bacteria	Chloroflexota	Anaerolineae	Ardenticatenales	Ardenticatenaceae	Ardenticatena	
6	Bacteria
7	Bacteria	Chloroflexota	Dehalococcoidia	Dehalococcoidales	UBA2162	MGML01	MGML01 sp001796415
4	Bacteria	Proteobacteria	Alphaproteobacteria
7	Bacteria	Fibrobacterota	Chitinivibrionia	Chitinivibrionales	Chitinispirillaceae		
11	Bacteria	Proteobacteria	Alphaproteobacteria
5	Bacteria	Proteobacteria	Alphaproteobacteria	Rhizobiales_A_501396	Rhizobiaceae_A_499470
12	Bacteria	Proteobacteria	Alphaproteobacteria	Rhodobacterales	Rhodobacteraceae	Silicimonas	Silicimonas algicola
7	Bacteria	Firmicutes_A	Clostridia_258483	Lachnospirales
11	Bacteria	Proteobacteria	Alphaproteobacteria	Kiloniellales	Rhodovibrionaceae	Rhodovibrio	Rhodovibrio sodomensis
19	Bacteria	Chloroflexota	Anaerolineae	B4-G1	DUEL01	SpSt-77
5	Bacteria	Proteobacteria	Gammaproteobacteria
13	Bacteria	Proteobacteria	Gammaproteobacteria	Tenderiales	Tenderiaceae	Tenderia	Tenderia electrophaga
10	Bacteria	Chloroflexota	Anaerolineae	B4-G1	DUEL01	SpSt-77	
12	Bacteria	Proteobacteria	Alphaproteobacteria	Rhodobacterales	Rhodobacteraceae
3	Bacteria	Desulfobacterota_I	Desulfovibrionia	Desulfovibrionales	Desulfohalobiaceae_A	Desulfovermiculus	Desulfovermiculus utahensis
7	Bacteria	Proteobacteria	Alphaproteobacteria
9	Bacteria
37	Bacteria	Chloroflexota	Anaerolineae	B4-G1	DUEL01	SpSt-77	
8	Bacteria	Proteobacteria	Alphaproteobacteria	Rhodobacterales	Rhodobacteraceae	Roseovarius_489565
6	Bacteria
179	Bacteria	Chloroflexota	Anaerolineae	B4-G1	DUEL01	SpSt-77	
7	Bacteria	Proteobacteria	Alphaproteobacteria
3	Bacteria	Proteobacteria	Alphaproteobacteria	Rhodobacterales	Rhodobacteraceae
5	Bacteria
9	Bacteria	Nitrospirota_A_437815	Thermodesulfovibrionia	Thermodesulfovibrionales
21	Bacteria	Nitrospirota_A_437815	Thermodesulfovibrionia	Thermodesulfovibrionales
5	Bacteria	Chloroflexota	Anaerolineae
9	Bacteria	Chloroflexota	Limnocylindria	Limnocylindrales	CSP1-4	GWC2-73-18	GWC2-73-18 sp001794945
8	Bacteria	Proteobacteria	Alphaproteobacteria	Sphingomonadales	Sphingomonadaceae	Sphingomonas_L_486704
7	Bacteria	Proteobacteria	Alphaproteobacteria	Rhodobacterales	Rhodobacteraceae
9	Bacteria	Nitrospirota_A_437815	Thermodesulfovibrionia	Thermodesulfovibrionales	SM23-35	0-14-3-00-41-53	0-14-3-00-41-53 sp002780895
12	Bacteria	Proteobacteria	Alphaproteobacteria
18	Bacteria	Proteobacteria	Alphaproteobacteria	Rhodobacterales	Rhodobacteraceae
7	Bacteria	Margulisbacteria	Marinamargulisbacteria	UBA817	UBA817	CACECR01	CACECR01 sp902558105
43	Bacteria	Desulfobacterota_I	Desulfovibrionia	Desulfovibrionales	Desulfohalobiaceae_A	Desulfovermiculus
5	Bacteria	Margulisbacteria	WOR-1	O2-12-FULL-45-9	XYB2-FULL-48-7
4	Bacteria	Patescibacteria	Microgenomatia	GWA2-44-7	UBA8517		
10	Bacteria	Patescibacteria	Microgenomatia	UM-FILTER-40-11			
5	Archaea	Nanoarchaeota	Nanoarchaeia	Pacearchaeales	GW2011-AR1	BMS3ABIN17	BMS3ABIN17 sp002897655
3	Archaea	Nanoarchaeota	Nanoarchaeia	Pacearchaeales	GW2011-AR1	BMS3ABIN17	BMS3ABIN17 sp002897655
5	Archaea	Halobacteriota	Halobacteria	Halobacteriales	Haloarculaceae_3992
25	Archaea
6	Archaea	Nanoarchaeota	Nanoarchaeia	Pacearchaeales	GW2011-AR1	BMS3ABIN17	BMS3ABIN17 sp002897655
6	Archaea	Nanoarchaeota	Nanoarchaeia				
12	Archaea	Nanoarchaeota	Nanoarchaeia
5	Bacteria	Desulfobacterota_I	Desulfobacteria
131	Archaea	Nanoarchaeota	Nanoarchaeia	Pacearchaeales	GW2011-AR1	BMS3ABIN17	BMS3ABIN17 sp002897655
10	Archaea	Asgardarchaeota	Thorarchaeia	Thorarchaeales	Thorarchaeaceae		
3	Archaea
8	Archaea
11	Archaea	Asgardarchaeota	Thorarchaeia	Thorarchaeales	Thorarchaeaceae	TEKIR-14	TEKIR-14 sp004524445
7	Archaea	Nanoarchaeota	Nanoarchaeia	Pacearchaeales	GW2011-AR1	BMS3ABIN17	BMS3ABIN17 sp002897655
11	Archaea	Nanoarchaeota	Nanoarchaeia	Pacearchaeales	GW2011-AR1	BMS3ABIN17	BMS3ABIN17 sp002897655
6	Archaea	Nanoarchaeota	Nanoarchaeia	Pacearchaeales	GW2011-AR1	BMS3ABIN17	BMS3ABIN17 sp002897655
13	Archaea	Nanoarchaeota	Nanoarchaeia	Pacearchaeales	GW2011-AR1	BMS3ABIN17	BMS3ABIN17 sp002897655
13	Archaea	Thermoproteota	Bathyarchaeia	B26-1			
5	Bacteria	Desulfobacterota_I	Desulfobulbia	Desulfobulbales	Desulfobulbaceae		
16	Bacteria	Patescibacteria	WWE3	UBA101185	UBA10185	T3SED10-354
8	Bacteria
15	Bacteria
23	Bacteria	Proteobacteria	Gammaproteobacteria	Woeseiales	Woeseiaceae	SP4260	
8	Bacteria
5	Bacteria	Proteobacteria	Gammaproteobacteria	Thiohalorhabdales	Thiohalorhabdaceae	Thiohalorhabdus	Thiohalorhabdus denitrificans
4	Bacteria
4	Bacteria						
4	Bacteria	Desulfobacterota_I	Desulfobulbia	Desulfobulbales	Desulfobulbaceae	Electrothrix	
176	Bacteria	Desulfobacterota_I	Syntrophobacteria	Syntrophobacterales			
19	Bacteria	Proteobacteria	Gammaproteobacteria	PWYM01	PWYM01	PWYM01	PWYM01 sp003567475
6	Bacteria
5	Bacteria
11	Bacteria	Fibrobacterota	Chitinivibrionia	Chitinivibrionales	Chitinispirillaceae		
4	Bacteria	WOR-3	WOR-3	B3-TA06	B3-TA06	B3-TA06	B3-TA06 sp005223075
11	Bacteria	Desulfobacterota_I	Desulfobulbia	Desulfobulbales	Desulfurivibrionaceae		
4	Bacteria	Omnitrophota	Koll11	4484-171	B32-G15	B32-G15	
4	Bacteria	Desulfobacterota_I					
5	Bacteria	Desulfobacterota_I	Syntrophobacteria				
46	Bacteria	Desulfobacterota_I	Desulfobulbia	Desulfobulbales
8	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales	SURF-3	Desulfosalsimonas
13	Bacteria	Desulfobacterota_I	Desulfovibrionia	Desulfovibrionales	Desulfohalobiaceae_A	Desulfovermiculus
14	Bacteria	Gemmatimonadota	Gemmatimonadetes	Longimicrobiales	UBA6960	PXFI01	PXFI01 sp003564295
12	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales
5	Bacteria	Firmicutes_D	Bacilli	Bacillales_D_310495	Halobacillaceae	Halobacillus_A_288222
7	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales
7	Bacteria	Fibrobacterota	Chitinivibrionia	Chitinivibrionales	Chitinispirillaceae		
12	Bacteria	Proteobacteria	Gammaproteobacteria	XJ16	Halofilaceae	Halofilum	Halofilum ochraceum
11	Bacteria	Desulfobacterota_I	Desulfobacteria	C00003060	C00003060	B60-G16	B60-G16 sp003647275
23	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales	SURF-3
3	Bacteria	Myxococcota_A_473307	Polyangia_463783	HGW-17	HGW-17	HGW-17	HGW-17 sp002841905
4	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales	Desulfobacteraceae_459419
14	Bacteria
4	Bacteria	Desulfobacterota_I	Desulfobacteria	Desulfobacterales	Desulfobacteraceae_459419	Desulfotignum	Desulfotignum sp011390335
3	Bacteria
4	Bacteria	SZUA-182	SZUA-182	SZUA-191	SZUA-191	SZUA-191	
5	Bacteria	WOR-3	WOR-3	B3-TA06	B3-TA06	B3-TA06	B3-TA06 sp005223075
17	Bacteria	Desulfobacterota_I	Desulfovibrionia	Desulfovibrionales	Desulfohalobiaceae_A	Desulfovermiculus
4	Bacteria	Latescibacterota	Latescibacteria	Latescibacterales	Latescibacteraceae	Latescibacter	Latescibacter anaerobius
7	Bacteria	Firmicutes_F	Halanaerobiia	Halobacteroidales	Halobacteroidaceae	Halobacteroides	Halobacteroides halobius
7	Bacteria	Desulfobacterota_D	UBA1144	RKRQ01	RKRQ01	RKRQ01	RKRQ01 sp009840385
15	Bacteria	Proteobacteria	Gammaproteobacteria	Pseudomonadales_660954	HTCC2089_660954		
5	Bacteria	Proteobacteria	Gammaproteobacteria	Burkholderiales_592522	Burkholderiaceae_A_592522	Pelomonas
9	Bacteria
5	Bacteria	Proteobacteria	Gammaproteobacteria	Chromatiales_602961	Sedimenticolaceae
29	Bacteria	Desulfobacterota_I	DSM-4660	Desulfatiglandales
6	Bacteria	Proteobacteria	Gammaproteobacteria
4	Bacteria	Omnitrophota	Koll11	4484-171	B32-G15	B32-G15	
5	Bacteria	Desulfobacterota_I	DSM-4660	Desulfatiglandales	Desulfatiglandaceae	UBA5623	
4	Bacteria
3	Bacteria	Desulfobacterota_I	DSM-4660	Desulfatiglandales	Desulfatiglandaceae
45	Bacteria	Desulfobacterota_I	Desulfovibrionia	Desulfovibrionales	Desulfohalobiaceae_A	Desulfovermiculus	Desulfovermiculus utahensis
4	Bacteria	Proteobacteria	Gammaproteobacteria
10	Bacteria	Desulfobacterota_I	DSM-4660	Desulfatiglandales	Desulfatiglandaceae	NaphS2	
12	Bacteria	Proteobacteria	Gammaproteobacteria
5	Bacteria	Desulfobacterota_I	DSM-4660	Desulfatiglandales	Desulfatiglandaceae	UBA5623	
6	Bacteria	Proteobacteria	Gammaproteobacteria
7	Bacteria
10	Bacteria	Proteobacteria	Gammaproteobacteria	Burkholderiales_597441	Neisseriaceae_563222		
5	Bacteria	Firmicutes_F	Halanaerobiia	Halanaerobiales	Halanaerobiaceae_43120	Halanaerobium
3	Bacteria
8	Bacteria	Spirochaetota	Spirochaetia	DSM-27196
15	Bacteria	Proteobacteria	Gammaproteobacteria
8	Bacteria	Desulfobacterota_I	DSM-4660	Desulfatiglandales	Desulfatiglandaceae	UBA5623	
7	Bacteria	Proteobacteria	Gammaproteobacteria
4	Bacteria	Chlamydiota	Chlamydiia	Chlamydiales_778124	Simkaniaceae	Simkania	
5	Bacteria	Firmicutes_F	Halanaerobiia	Halanaerobiales	Halanaerobiaceae_43120	Halanaerobium
7	Bacteria
19	Bacteria
3	Bacteria
13	Bacteria	Desulfobacterota_G_459546	Desulfuromonadia	Desulfuromonadales
16	Bacteria	Spirochaetota	Spirochaetia	JC444	Marispirochaetaceae		
7	Bacteria	Proteobacteria	Gammaproteobacteria	Pseudomonadales_637066	Oleiphilaceae_637066	Marinobacter_A_637054	Marinobacter_A_637054 shengliensis
30	Bacteria	Desulfobacterota_I	DSM-4660	Desulfatiglandales
18	Bacteria	Calditrichota	Calditrichia	RBG-13-44-9	J042	J075	
6	Bacteria
10	Bacteria	Desulfobacterota_I	DSM-4660	Desulfatiglandales	Desulfatiglandaceae
9	Bacteria	Zixibacteria	MSB-5A5_778959	UM-FILTER-46-8	UM-FILTER-46-8	UM-FILTER-46-8	
13	Bacteria	Proteobacteria	Gammaproteobacteria	Pseudomonadales_650612	Cellvibrionaceae	Microbulbifer