| antarctica | | uncultured methylophaga sp. | species | 1 | 0 |
| antarctica | | uncultured piscirickettsiaceae bacterium | species | 1 | 0 |
| antarctica | | uncultured thiomicrospira sp. | species | 1 | 0 |
| australia | tasmania | piscirickettsia | genus | 0 | 1 |
| australia | tasmania | piscirickettsia salmonis | species | 0 | 1 |
| brazil | rio de janeiro | uncultured methylophaga sp. | species | 1 | 0 |
| canada | | piscirickettsia salmonis | species | 22 | 0 |
| canada | | uncultured thiomicrospira sp. | species | 1 | 0 |
| canada | alberta | methylophaga sp. | species | 1 | 0 |
| canada | alberta | thiomicrospira sp. uba5634 | species | 1 | 0 |
| canada | british columbia | piscirickettsia | genus | 0 | 1 |
| canada | british columbia | piscirickettsia salmonis | species | 22 | 1 |
| canada | nunavut | methylophaga sp. | species | 1 | 0 |
| canada | nunavut | thiomicrospira | genus | 0 | 1 |
| canada | quebec | methylophaga | genus | 0 | 3 |
| canada | quebec | piscirickettsia | genus | 0 | 1 |
| chile | | methylophaga sp. r1 | species | 1 | 0 |
| chile | | piscirickettsia salmonis | species | 2838 | 0 |
| chile | | piscirickettsia salmonis em-90 | no rank | 1070 | 0 |
| chile | | piscirickettsia salmonis lf-89 = atcc vr-1361 | no rank | 1449 | 0 |
| chile | | piscirickettsia salmonis t-gim | no rank | 686 | 0 |
| chile | | piscirickettsia sp. a1 | species | 9 | 0 |
| chile | | thiomicrospira chilensis dsm 12352 | no rank | 2 | 0 |
| chile | aysen region | piscirickettsia salmonis | species | 120 | 0 |
| chile | los lagos region | piscirickettsia salmonis | species | 798 | 0 |
| chile | los lagos region | piscirickettsia salmonis austral-005 | no rank | 456 | 0 |
| chile | los lagos region | uncultured piscirickettsiaceae bacterium | species | 1 | 0 |
| chile | santiago metropolitan region | piscirickettsia salmonis | species | 99 | 0 |
| chile | valparaiso region | piscirickettsia salmonis | species | 34 | 0 |
| china | | thiomicrospira sp. enrichment culture | species | 1 | 0 |
| china | | thiomicrospira thermophila | species | 1 | 0 |
| china | | uncultured methylophaga sp. | species | 3 | 0 |
| china | | uncultured piscirickettsia sp. | species | 1 | 0 |
| china | | uncultured piscirickettsiaceae bacterium | species | 17 | 0 |
| china | | uncultured thiomicrospira sp. | species | 18 | 0 |
| china | fujian | thiomicrorhabdus sp. g1 | species | 5958 | 0 |
| china | heilongjiang | uncultured methylophaga sp. | species | 4 | 0 |
| china | heilongjiang | uncultured piscirickettsiaceae bacterium | species | 1 | 0 |
| china | heilongjiang | uncultured thiomicrospira sp. | species | 4 | 0 |
| china | jiangsu | thiomicrospira sp. | species | 1 | 0 |
| china | shandong | cycloclasticus sp. py97m | species | 59 | 0 |
| china | shandong | cycloclasticus sp. py97n | species | 2 | 0 |
| china | shanghai shi | methylophaga sp. | species | 2 | 0 |
| croatia | | piscirickettsia salmonis | species | 2 | 0 |
| egypt | | thioalkalimicrobium sp. ale3 | species | 1 | 0 |
| egypt | | thioalkalimicrobium sp. ale5 | species | 1 | 0 |
| egypt | red sea governorate | methylophaga | genus | 0 | 1 |
| france | | methylophaga sp. v4.me.29 | species | 1 | 0 |
| france | provence-alpes-cote d'azur region | methylophaga sp. v4.mo.19 | species | 1 | 0 |
| french polynesia | | piscirickettsia | genus | 0 | 1 |
| germany | | thiomicrospira kuenenii dsm 12350 | no rank | 2 | 0 |
| greece | | galenea microaerophila | species | 2 | 0 |
| greece | | piscirickettsia salmonis | species | 2 | 0 |
| greece | | thiomicrospira sp. milos-t2 | species | 14 | 0 |
| greenland | | uncultured piscirickettsiaceae bacterium | species | 1 | 0 |
| india | | methylophaga lonarensis mpl | no rank | 234 | 0 |
| india | | methylophaga marina | species | 2 | 0 |
| india | | methylophaga muralis | species | 2 | 0 |
| india | | methylophaga nitratireducenticrescens | species | 1 | 0 |
| india | | methylophaga thiooxydans | species | 2 | 0 |
| india | | uncultured methylophaga sp. | species | 4 | 0 |
| india | kerala | methylophaga sp. aqmp1 | species | 1 | 0 |
| india | maharashtra | methylophaga lonarensis mpl | no rank | 1 | 0 |
| india | uttar pradesh | uncultured methylophaga sp. | species | 33 | 0 |
| ireland | | piscirickettsia salmonis | species | 9 | 0 |
| ireland | munster province | piscirickettsia sp. 44la | species | 1 | 0 |
| italy | | uncultured methylophaga sp. | species | 1 | 0 |
| italy | | uncultured piscirickettsiaceae bacterium | species | 13 | 0 |
| italy | sicily autonomous region | cycloclasticus | genus | 0 | 1 |
| italy | tuscany region | uncultured cycloclasticus sp. | species | 2 | 0 |
| japan | | hydrogenovibrio marinus | species | 12 | 0 |
| japan | fukui prefecture | uncultured cycloclasticus sp. | species | 5 | 0 |
| japan | hokkaido prefecture | thiomicrospira sp. v2501 | species | 1 | 0 |
| japan | hokkaido prefecture | uncultured thiomicrospira sp. | species | 1 | 0 |
| japan | iwate prefecture | cycloclasticus sp. a5 | species | 1 | 0 |
| japan | iwate prefecture | thiomicrospira | genus | 0 | 1 |
| japan | kanagawa prefecture | hydrogenovibrio marinus | species | 2 | 0 |
| japan | kanagawa prefecture | hydrogenovibrio marinus dsm 11271 | no rank | 8 | 0 |
| japan | kanagawa prefecture | thiomicrospira sp. mas2 | species | 2 | 0 |
| japan | okinawa prefecture | sulfurivirga | genus | 0 | 1 |
| japan | okinawa prefecture | sulfurivirga caldicuralii | species | 1 | 1 |
| japan | okinawa prefecture | thiomicrospira | genus | 0 | 1 |
| japan | okinawa prefecture | thiomicrospira sp. so30-vw | species | 1 | 0 |
| japan | okinawa prefecture | uncultured sulfurivirga sp. | species | 1 | 0 |
| japan | okinawa prefecture | uncultured thiomicrospira sp. | species | 1 | 0 |
| kuwait | | uncultured methylophaga sp. | species | 1 | 0 |
| mexico | | cycloclasticus endosymbiont of bathymodiolus heckerae | species | 1 | 0 |
| mexico | | cycloclasticus endosymbiont of sponge | species | 2 | 0 |
| mexico | | methylophaga sp. e-4d | species | 1 | 0 |
| mexico | | uncultured piscirickettsiaceae bacterium | species | 5 | 0 |
| netherlands | groningen province | thiomicrospira pelophila dsm 1534 | no rank | 4 | 0 |
| new zealand | | piscirickettsia sp. nz-rlo | species | 2 | 0 |
| new zealand | | piscirickettsiaceae bacterium nz-rlo | species | 928 | 0 |
| new zealand | | uncultured piscirickettsia sp. | species | 1 | 0 |
| nigeria | | uncultured cycloclasticus sp. | species | 1 | 0 |
| nigeria | | uncultured methylophaga sp. | species | 1 | 0 |
| nigeria | | uncultured sulfurivirga sp. | species | 2 | 0 |
| nigeria | | uncultured thiomicrospira sp. | species | 1 | 0 |
| norway | | piscirickettsia salmonis | species | 1 | 0 |
| norway | | thiomicrospira arctica dsm 13458 | no rank | 6 | 0 |
| norway | more og romsdal county | piscirickettsia salmonis | species | 8 | 0 |
| oman | | methylophaga muralis | species | 1 | 0 |
| oman | | uncultured methylophaga sp. | species | 1 | 0 |
| philippines | | piscirickettsiaceae bacterium pbc-contab1 | species | 1 | 0 |
| philippines | | uncultured methylophaga sp. | species | 1 | 0 |
| portugal | acores autonomous region | methylophaga sp. vsw109 | species | 1 | 0 |
| russia | | methylophaga nitratireducenticrescens | species | 1 | 0 |
| russia | | thiomicrospira halophila dsm 15072 | no rank | 1 | 0 |
| russia | perm krai | methylophaga nitratireducenticrescens | species | 5 | 0 |
| russia | perm krai | methylophaga sp. rs-mm3 | species | 1 | 0 |
| saudi arabia | | piscirickettsiaceae bacterium | species | 3 | 0 |
| spain | | uncultured methylophaga sp. | species | 4 | 0 |
| spain | | uncultured thiomicrospira sp. | species | 3 | 0 |
| spain | galicia | methylophaga sp. af3 | species | 1 | 0 |
| spain | galicia | uncultured cycloclasticus sp. | species | 3 | 0 |
| svalbard and jan mayen | | thiomicrospira arctica | species | 1 | 0 |
| svalbard and jan mayen | | thiomicrospira psychrophila | species | 1 | 0 |
| sweden | | uncultured cycloclasticus sp. | species | 1 | 0 |
| tunisia | | uncultured cycloclasticus sp. | species | 1 | 0 |
| turkey | | uncultured methylophaga sp. | species | 1 | 0 |
| united kingdom | | methylophaga sp. ah1 | species | 1 | 0 |
| united kingdom | england | methylophaga | genus | 0 | 1 |
| united kingdom | england | methylophaga sp. enrichment culture clone | species | 5 | 0 |
| united kingdom | england | uncultured cycloclasticus sp. | species | 2 | 0 |
| united kingdom | scotland | cycloclasticus spirillensus | species | 2 | 0 |
| united kingdom | scotland | piscirickettsia | genus | 0 | 2 |
| united kingdom | scotland | piscirickettsia salmonis | species | 10 | 1 |
| united states | | cycloclasticus pugetii ps-1 | no rank | 1 | 0 |
| united states | california | hydrogenovibrio sp. sc-1 | species | 84 | 0 |
| united states | california | methylophaga | genus | 0 | 1 |
| united states | california | methylophaga sp. | species | 1 | 0 |
| united states | california | piscirickettsia | genus | 0 | 3 |
| united states | california | piscirickettsia salmonis | species | 0 | 2 |
| united states | california | thioalkalimicrobium | genus | 0 | 2 |
| united states | california | thioalkalimicrobium cyclicum alm1 | no rank | 3 | 0 |
| united states | california | thiomicrospira sp. | species | 1 | 0 |
| united states | florida | piscirickettsia | genus | 0 | 1 |
| united states | georgia | uncultured cycloclasticus sp. | species | 1 | 0 |
| united states | georgia | uncultured methylophaga sp. | species | 1 | 0 |
| united states | georgia | uncultured piscirickettsiaceae bacterium | species | 5 | 0 |
| united states | hawaii | piscirickettsia | genus | 0 | 2 |
| united states | hawaii | piscirickettsia salmonis | species | 0 | 1 |
| united states | hawaii | piscirickettsia sp. y2 | species | 35 | 0 |
| united states | hawaii | uncultured piscirickettsiaceae bacterium | species | 2 | 0 |
| united states | massachusetts | thiomicrospira | genus | 0 | 1 |
| united states | north carolina | methylophaga sp. enrichment culture clone hex76 | species | 1 | 0 |
| united states | north carolina | methylophaga sp. sm14 | species | 1 | 0 |
| united states | oregon | uncultured piscirickettsia sp. yaquina bay | species | 1 | 0 |
| united states | south carolina | piscirickettsia | genus | 0 | 2 |
| united states | utah | hydrogenovibrio sp. uba1537 | species | 1 | 0 |
| united states | utah | hydrogenovibrio sp. uba3092 | species | 1 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg_4_10_14_0_2_um_filter_44_336 | species | 134 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg_4_10_14_0_8_um_filter_44_742 | species | 169 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg_4_10_14_3_um_filter_44_349 | species | 187 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg_4_8_14_3_um_filter_44_38 | species | 138 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg_4_9_14_0_2_um_filter_44_546 | species | 130 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg_4_9_14_3_um_filter_43_564 | species | 85 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg07_land_8_20_14_0_80_44_28 | species | 123 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg12_big_fil_rev_8_21_14_0_65_44_934 | species | 131 | 0 |
| united states | utah | piscirickettsiaceae bacterium cg18_big_fil_wc_8_21_14_2_50_44_103 | species | 156 | 0 |
| united states | utah | thiomicrospira sp. | species | 6 | 0 |
| united states | utah | thiomicrospira sp. cg2_30_44_34 | species | 81 | 0 |
| united states | washington | methylophaga sp. s1 | species | 1 | 0 |
| united states | washington | thioalkalimicrobium | genus | 0 | 1 |
| united states | washington | thioalkalimicrobium microaerophilum | species | 220 | 0 |
| united states | wisconsin | cycloclasticus sp. 44_32_t64 | species | 193 | 0 |
| united states | wisconsin | cycloclasticus sp. 46_120_t64 | species | 16 | 0 |
| united states | wisconsin | cycloclasticus sp. 46_83_sub15_t18 | species | 124 | 0 |
| united states | wisconsin | cycloclasticus sp. phe_18 | species | 127 | 0 |
| united states | wisconsin | methylophaga sp. 41_12_t18 | species | 95 | 0 |
| united states | wisconsin | methylophaga sp. 42_25_t18 | species | 16 | 0 |
| united states | wisconsin | methylophaga sp. 42_8_t64 | species | 135 | 0 |