| Spezies | Risiko- gruppe | Bemer- kungen | Status |
| Gabonibacter | |||
| Gabonibacter massiliensis | 1 | neu | |
| Gaetbulibacter | |||
| Gaetbulibacter aestuarii | 1 | ||
| Gaetbulibacter aquiaggeris | 1 | neu | |
| Gaetbulibacter lutimaris | 1 | ||
| Gaetbulibacter marinus | 1 | ||
| Gaetbulibacter saemankumensis | 1 | ||
| Gaetbulicola | |||
| Gaetbulicola byunsanensis | 1 | ||
| Gaetbulimicrobium → Aquimarina | |||
| Gaetbulimicrobium brevivitae → Aquimarina brevivitae | |||
| Gaiella | |||
| Gaiella occulta | 1 | ||
| Galbibacter | |||
| Galbibacter marinus | 1 | ||
| Galbibacter mesophilus | 1 | ||
| Galbitalea | |||
| Galbitalea soli | 1 | ||
| Galenea | |||
| Galenea microaerophila | 1 | ||
| Gallaecimonas | |||
| Gallaecimonas pentaromativorans | 1 | ||
| Gallaecimonas xiamenensis | 1 | ||
| Gallibacterium | |||
| Gallibacterium anatis (Pasteurella anatis) | 2 | t | |
| Gallibacterium melopsittaci | 2 | t | |
| Gallibacterium salpingitidis | 2 | t | |
| Gallibacterium trehalosifermentans | 2 | t | |
| Gallicola | |||
| Gallicola barnesae (Peptostreptococcus barnesae) | 1 | + | |
| Gallionella | |||
| Gallionella ferruginea | 1 | ||
| Galliscardovia | |||
| Galliscardovia ingluviei | 1 | neu | |
| Gangjinia | |||
| Gangjinia marincola | 1 | ||
| Garciella | |||
| Garciella nitratireducens | 1 | ||
| Gardnerella | |||
| Gardnerella vaginalis (Haemophilus vaginalis) | 2 | ||
| Garicola | |||
| Garicola koreensis | 1 | neu | |
| Garritya | |||
| Garritya polymorpha (Flexibacter polymorphus) | 1 | Umb. | |
| Gelatiniphilus | |||
| Gelatiniphilus marinus | 1 | neu | |
| Gelidibacter | |||
| Gelidibacter algens | 1 | ||
| Gelidibacter gilvus | 1 | ||
| Gelidibacter mesophilus | 1 | ||
| Gelidibacter salicanalis | 1 | ||
| Gelidibacter sediminis | 1 | neu | |
| Gellertiella | |||
| Gellertiella hungarica | 1 | neu | |
| Gelria | |||
| Gelria glutamica | 1 | ||
| Gemella | |||
| Gemella asaccharolytica | 2 | ||
| Gemella bergeri | 2 | ||
| Gemella cuniculi | 2 | t | |
| Gemella haemolysans | 2 | ||
| Gemella morbillorum (Streptococcus morbillorum) | 2 | ||
| Gemella palaticanis | 1 | ||
| Gemella parahaemolysans | 2 | ||
| Gemella sanguinis | 2 | ||
| Gemella taiwanensis | 2 | ||
| Geminicoccus | |||
| Geminicoccus roseus | 1 | ||
| Gemmata | |||
| Gemmata obscuriglobus | 1 | ||
| Gemmatimonas | |||
| Gemmatimonas aurantiaca | 1 | ||
| Gemmatimonas phototrophica | 1 | neu | |
| Gemmiger | |||
| Gemmiger formicilis | 1 | ||
| Gemmobacter | |||
| Gemmobacter aquaticus (Catellibacterium aquatile) | 1 | ||
| Gemmobacter aquatilis | 1 | ||
| Gemmobacter caeni (Catellibacterium caeni) | 1 | ||
| Gemmobacter changlensis (Catellibacterium changlense, Rhodobacter changlensis) | 1 | ||
| Gemmobacter changlensis → Cereibacter changlensis | Umb. | ||
| Gemmobacter fontiphilus | 1 | ||
| Gemmobacter intermedius | 1 | neu | |
| Gemmobacter lanyuensis | 1 | ||
| Gemmobacter megaterium | 1 | ||
| Gemmobacter nanjingensis (Catellibacterium nanjingense) | 1 | ||
| Gemmobacter nectariphilus (Catellibacterium nectariphilum) | 1 | ||
| Gemmobacter straminiformis | 1 | neu | |
| Gemmobacter tilapiae | 1 | ||
| Geoalkalibacter | |||
| Geoalkalibacter ferrihydriticus | 1 | ||
| Geoalkalibacter subterraneus | 1 | ||
| Geobacillus | |||
| Geobacillus caldoxylosilyticus (Saccharococcus caldoxylosilyticus) | 1 | ||
| Geobacillus debilis → Caldibacillus debilis | |||
| Geobacillus galactosidasius | 1 | ||
| Geobacillus gargensis – synonym: Geobacillus thermocatenulatus | |||
| Geobacillus icigianus | 1 | neu | |
| Geobacillus jurassicus | 1 | ||
| Geobacillus kaustophilus (Bacillus kaustophilus) | 1 | ||
| Geobacillus lituanicus | 1 | ||
| Geobacillus pallidus (Bacillus pallidus) → Aeribacillus pallidus | |||
| Geobacillus stearothermophilus (Bacillus stearothermophilus) | 1 | ||
| Geobacillus subterraneus subsp. aromaticivorans | 1 | ||
| Geobacillus subterraneus subsp. subterraneus (Geobacillus subterranus) | 1 | ||
| Geobacillus subterraneus → Geobacillus subterranus subsp. subterranus | 1 | ||
| Geobacillus tepidamans → Anoxybacillus tepidamans | |||
| Geobacillus thermantarcticus (Bacillus thermantarcticus) | 1 | ||
| Geobacillus thermocatenulatus (Bacillus thermocatenulatus) | 1 | ||
| Geobacillus thermodenitrificans (Bacillus thermodenitrificans) → Geobacillus thermodenitrificans subsp. thermodenitrificans | |||
| Geobacillus thermodenitrificans subsp. calidus | 1 | ||
| Geobacillus thermodenitrificans subsp. thermosdenitrificans (Geobacillus thermodenitrificans, Bacillus thermodenitrificans) | 1 | ||
| Geobacillus thermoglucosidans (Bacillus thermoglucosidasius) | 1 | ||
| Geobacillus thermoleovorans (Bacillus thermoleovorans) | 1 | ||
| Geobacillus toebii | 1 | ||
| Geobacillus uzenensis | 1 | ||
| Geobacillus vulcani (Bacillus vulcani) | 1 | ||
| Geobacter | |||
| Geobacter anodireducens | 1 | neu | |
| Geobacter argillaceus | 1 | ||
| Geobacter bemidjiensis | 1 | ||
| Geobacter bremensis | 1 | ||
| Geobacter chapellei | 1 | ||
| Geobacter daltonii | 1 | ||
| Geobacter grbiciae | 1 | ||
| Geobacter hydrogenophilus | 1 | ||
| Geobacter lovleyi | 1 | ||
| Geobacter luticola | 1 | ||
| Geobacter metallireducens | 1 | ||
| Geobacter pelophilus | 1 | ||
| Geobacter pickeringii | 1 | ||
| Geobacter psychrophilus | 1 | ||
| Geobacter soli | 1 | neu | |
| Geobacter sulfurreducens | 1 | ||
| Geobacter sulfurreducens → Geobacter sulfurreducens subsp. sulfurreducens | Umb. | ||
| Geobacter sulfurreducens subsp. ethanolicus | 1 | neu | |
| Geobacter sulfurreducens subsp. sulfurreducens (Geobacter sulfurreducens) | 1 | Umb. | |
| Geobacter thiogenes (Trichlorobacter thiogenes) | 1 | ||
| Geobacter toluenoxydans | 1 | ||
| Geobacter uraniireducens | 1 | ||
| Geodermatophilus | |||
| Geodermatophilus africanus | 1 | ||
| Geodermatophilus amargosae | 1 | neu | |
| Geodermatophilus aquaeductus | 1 | neu | |
| Geodermatophilus arenarius | 1 | ||
| Geodermatophilus brasiliensis | 1 | neu | |
| Geodermatophilus bullaregiensis | 1 | neu | |
| Geodermatophilus daqingensis | 1 | neu | |
| Geodermatophilus dictyosporus | 1 | neu | |
| Geodermatophilus nigrescens | 1 | ||
| Geodermatophilus normandii | 1 | ||
| Geodermatophilus obscurus | 1 | ||
| Geodermatophilus poikilotrophus | 1 | neu | |
| Geodermatophilus pulveris | 1 | neu | |
| Geodermatophilus ruber | 1 | ||
| Geodermatophilus sabuli | 1 | neu | |
| Geodermatophilus saharensis | 1 | ||
| Geodermatophilus siccatus | 1 | ||
| Geodermatophilus soli | 1 | ||
| Geodermatophilus taihuensis | 1 | ||
| Geodermatophilus telluris | 1 | ||
| Geodermatophilus terrae | 1 | ||
| Geodermatophilus tzadiensis | 1 | ||
| Geofilum | |||
| Geofilum rhodophaeum | 1 | neu | |
| Geofilum rubicundum | 1 | ||
| Geoglobus | |||
| Geoglobus acetivorans | 1 | ||
| Geoglobus ahangari | 1 | ||
| Geojedonia | |||
| Geojedonia litorea | 1 | ||
| Geomicrobium | |||
| Geomicrobium halophilum | 1 | ||
| Geomicrobium sediminis | 1 | ||
| Geopsychrobacter | |||
| Geopsychrobacter electrodiphilus | 1 | ||
| Georgenia | |||
| Georgenia daeguensis | 1 | ||
| Georgenia halophila | 1 | ||
| Georgenia muralis | 1 | ||
| Georgenia ruanii | 1 | ||
| Georgenia satyanarayanai | 1 | ||
| Georgenia sediminis | 1 | ||
| Georgenia soli | 1 | ||
| Georgenia subflava | 1 | neu | |
| Georgenia thermotolerans | 1 | ||
| Georgfuchsia | |||
| Georgfuchsia toluolica | 1 | ||
| Geosporobacter | |||
| Geosporobacter subterraneus | 1 | ||
| Geothermobacter | |||
| Geothermobacter ehrlichii | 1 | ||
| Geothermomicrobium | |||
| Geothermomicrobium terrae | 1 | neu | |
| Geothrix | |||
| Geothrix fermentans | 1 | ||
| Geotoga | |||
| Geotoga petraea | 1 | ||
| Geotoga subterranea | 1 | ||
| Geotoga weaveri | 1 | ||
| Geovibrio | |||
| Geovibrio ferrireducens | 1 | ||
| Geovibrio thiophilus | 1 | ||
| Gibbsiella | |||
| Gibbsiella dentisursi | 1 | Umb. | |
| Gibbsiella greigii | 1 | p+ | neu |
| Gibbsiella papilionis – synonym: Gibbsiella dentisursi | Umb. | ||
| Gibbsiella quercinecans | 1 | p2 | |
| Giesbergeria | |||
| Giesbergeria anulus (Aquaspirillum anulus) | 1 | ||
| Giesbergeria giesbergeri (Aquaspirillum giesbergeri) | 1 | ||
| Giesbergeria kuznetsovii | 1 | ||
| Giesbergeria sinuosa (Aquaspirillum sinuosum) | 1 | ||
| Giesbergeria voronezhensis | 1 | ||
| Gilliamella | |||
| Gilliamella apicola | 1 | ||
| Gilliamella bombi | 1 | neu | |
| Gilliamella bombicola | 1 | neu | |
| Gilliamella intestini | 1 | neu | |
| Gilliamella mensalis | 1 | neu | |
| Gillisia | |||
| Gillisia hiemivivida | 1 | ||
| Gillisia illustrilutea | 1 | ||
| Gillisia limnaea | 1 | ||
| Gillisia marina | 1 | ||
| Gillisia mitskevichiae | 1 | ||
| Gillisia myxillae | 1 | ||
| Gillisia sandarakina | 1 | ||
| Gilvibacter | |||
| Gilvibacter sediminis | 1 | ||
| Gilvimarinus | |||
| Gilvimarinus chinensis | 1 | ||
| Gilvimarinus japonicus | 1 | neu | |
| Gilvimarinus polysaccharolyticus | 1 | neu | |
| Gimesia | |||
| Gimesia maris (Planctomyces maris) | 1 | Umb. | |
| Glaciecola | |||
| Glaciecola agarilytica → Paraglaciecola agarilytica | Umb. | ||
| Glaciecola aquimarina → Paraglaciecola aquimarina | Umb. | ||
| Glaciecola arctica → Paraglaciecola arctica | Umb. | ||
| Glaciecola chathamensis → Paraglaciecola chathamensis | Umb. | ||
| Glaciecola lipolytica → Aliiglaciecola lipolytica | |||
| Glaciecola mesophila → Paraglaciecola mesophila | Umb. | ||
| Glaciecola nitratireducens | 1 | ||
| Glaciecola pallidula | 1 | ||
| Glaciecola polaris → Paraglaciecola polaris | Umb. | ||
| Glaciecola psychrophila → Paraglaciecola psychrophila | Umb. | ||
| Glaciecola punicea | 1 | ||
| Glaciibacter | |||
| Glaciibacter superstes | 1 | ||
| Glaciihabitans | |||
| Glaciihabitans tibetensis | 1 | ||
| Glaciimonas | |||
| Glaciimonas alpina | 1 | neu | |
| Glaciimonas frigoris | 1 | neu | |
| Glaciimonas immobilis | 1 | ||
| Glaciimonas singularis | 1 | ||
| Globicatella | |||
| Globicatella sanguinis | 2 | ht | |
| Globicatella sulfidifaciens | 2 | t | |
| Gluconacetobacter | |||
| Gluconacetobacter aggeris | 1 | ||
| Gluconacetobacter asukensis | 1 | ||
| Gluconacetobacter azotocaptans | 1 | ||
| Gluconacetobacter diazotrophicus (Acetobacter diazotrophicus) | 1 | ||
| Gluconacetobacter entanii | 1 | ||
| Gluconacetobacter europaeus (Acetobacter europaeus) → Komagataeibacter europaeus | |||
| Gluconacetobacter hansenii → Komagataeibacter hansenii | |||
| Gluconacetobacter intermedius → Komagataeibacter intermedius | |||
| Gluconacetobacter johannae | 1 | ||
| Gluconacetobacter kakiaceti → Komagataeibacter kakiaceti | |||
| Gluconacetobacter kombuchae – synonym: Gluconacetobacter hansenii → Komagataeibacter kombuchae | |||
| Gluconacetobacter liquefaciens (Acetobacter aceti subsp. liquefaciens, Acetobacter liquefaciens) | 1 | ||
| Gluconacetobacter maltaceti → Komagataeibacter maltaceti | |||
| Gluconacetobacter medellinensis → Komagataeibacter medellinensis | |||
| Gluconacetobacter nataicola → Komagataeibacter nataicola | |||
| Gluconacetobacter oboediens (Acetobacter obodiens) → Komagataeibacter oboediens | |||
| Gluconacetobacter rhaeticus → Komagataeibacter rhaeticus | |||
| Gluconacetobacter sacchari | 1 | ||
| Gluconacetobacter saccharivorans → Komagataeibacter saccharivorans | |||
| Gluconacetobacter sucrofermentans (Acetobacter xylinus subsp. sucrofermentans, Gluconacetobacter xylinus subsp. sucrofermentans) → Komagataeibacter sucrofermentans | |||
| Gluconacetobacter swingsii → Komagataeibacter swingsii | |||
| Gluconacetobacter takamatsuzukensis | 1 | ||
| Gluconacetobacter tumulicola | 1 | ||
| Gluconacetobacter tumulisoli | 1 | ||
| Gluconacetobacter xylinus (Acetobacter aceti subsp. xylinus, Acetobacter xylinus subsp. xylinus, Gluconacetobacter xylinus subsp. xylinus) → Komagataeibacter xylinus | |||
| Gluconacetobacter xylinus subsp. sucrofermentans (Acetobacter xylinus subsp. sucrofermentans) → Komagataeibacter sucrofermentans | |||
| Gluconacetobacter xylinus subsp. xylinus (Acetobacter aceti subsp. xylinus, Acetobacter xylinus susp. xylinus) → Komagataeibacter xylinus | |||
| Gluconobacter | |||
| Gluconobacter albidus | 1 | ||
| Gluconobacter asaii – synonym: Gluconobacter cerinus | |||
| Gluconobacter cerevisiae | 1 | ||
| Gluconobacter cerinus | 1 | ||
| Gluconobacter frateurii | 1 | ||
| Gluconobacter japonicus | 1 | ||
| Gluconobacter kanchanaburiensis | 1 | ||
| Gluconobacter kondonii | 1 | ||
| Gluconobacter nephelii – synonym: Gluconobacter japonicus | Umb. | ||
| Gluconobacter oxydans (Gluconobacter oxydans subsp. oxydans, Gluconobacter oxydans subsp. industrius, Gluconobacter oxydans subsp. melanogenes, Gluconobacter oxydans subsp. suboxydans) | 1 | Umb. | |
| Gluconobacter oxydans subsp. industrius – synonym: Gluconobacter oxydans | Umb. | ||
| Gluconobacter oxydans subsp. melanogenes – synonym: Gluconobacter oxydans | Umb. | ||
| Gluconobacter oxydans subsp. oxydans → Gluconobacter oxydans | Umb. | ||
| Gluconobacter oxydans subsp. suboxydans synonym: Gluconobacter oxydans | Umb. | ||
| Gluconobacter roseus | 1 | ||
| Gluconobacter sphaericus (Gluconobacter oxydans subsp. sphaericus) | 1 | ||
| Gluconobacter thailandicus | 1 | ||
| Gluconobacter uchimurae – synonym: Gluconobacter oxydans | Umb. | ||
| Gluconobacter wancherniae | 1 | ||
| Glutamicibacter | |||
| Glutamicibacter ardleyensis (Arthrobacter ardleyensis) | 1 | Umb. | |
| Glutamicibacter arilaitensis (Arthrobacter arilaitensis) | 1 | Umb. | |
| Glutamicibacter bergerei (Arthrobacter bergerei) | 1 | Umb. | |
| Glutamicibacter creatinolyticus (Arthrobacter creatinolyticus) | 1 | Umb. | |
| Glutamicibacter halophytocola | 1 | neu | |
| Glutamicibacter mysorens (Arthrobacter mysorens) | 1 | Umb. | |
| Glutamicibacter nicotianae (Arthrobacter nicotianae) | 1 | Umb. | |
| Glutamicibacter protophormiae (Arthrobacter protophormiae, Brevibacterium protophormiae) | 1 | Umb. | |
| Glutamicibacter soli (Arthrobacter soli) | 1 | Umb. | |
| Glutamicibacter uratoxydans (Arthrobacter uratoxydans) | 1 | Umb. | |
| Glycocaulis | |||
| Glycocaulis abyssi | 1 | ||
| Glycocaulis albus | 1 | neu | |
| Glycocaulis alkaliphilus | 1 | neu | |
| Glycomyces | |||
| Glycomyces albus | 1 | neu | |
| Glycomyces algeriensis | 1 | ||
| Glycomyces arizonensis | 1 | ||
| Glycomyces artemisiae | 1 | neu | |
| Glycomyces endophyticus | 1 | ||
| Glycomyces fuscus | 1 | neu | |
| Glycomyces halotolerans | 1 | ||
| Glycomyces harbinensis | 1 | ||
| Glycomyces lacisalsi | 1 | neu | |
| Glycomyces lechevalierae | 1 | ||
| Glycomyces mayteni | 1 | ||
| Glycomyces phytohabitans | 1 | neu | |
| Glycomyces rhizosphaerae | 1 | neu | |
| Glycomyces rutgersensis | 1 | ||
| Glycomyces sambucus | 1 | ||
| Glycomyces scopariae | 1 | ||
| Glycomyces tarimensis | 1 | neu | |
| Glycomyces tenuis | 1 | ||
| Goodfellowiella | |||
| Goodfellowiella coeruleoviolacea (Saccharothrix coeruleoviolacea, Actinomadura coeruleoviolacea) | 1 | ||
| Gordonia | |||
| Gordonia aichiensis (Rhodococcus aichiensis) | 2 | ||
| Gordonia alkaliphila | 1 | ||
| Gordonia alkanivorans | 1 | ||
| Gordonia amarae (Nocardia amarae) | 1 | ||
| Gordonia amicalis | 1 | ||
| Gordonia araii | 1 | + | |
| Gordonia bronchialis (Rhodococcus bronchialis) | 2 | ||
| Gordonia caeni | 1 | ||
| Gordonia cholesterolivorans | 1 | ||
| Gordonia defluvii | 1 | ||
| Gordonia desulfuricans | 1 | ||
| Gordonia didemni | 1 | neu | |
| Gordonia effusa | 1 | + | |
| Gordonia hankookensis | 1 | ||
| Gordonia hirsuta | 1 | ||
| Gordonia hongkongensis | 1 | + | neu |
| Gordonia humi | 1 | ||
| Gordonia hydrophobica | 1 | ||
| Gordonia iterans | 1 | + | neu |
| Gordonia jinhuaensis | 1 | neu | |
| Gordonia kroppenstedtii | 1 | ||
| Gordonia lacunae | 1 | neu | |
| Gordonia malaquae | 1 | ||
| Gordonia namibiensis | 1 | ||
| Gordonia neofelifaecis | 1 | ||
| Gordonia nitida – synonym: Gordonia alkanivorans | |||
| Gordonia otitidis | 2 | ||
| Gordonia paraffinivorans | 1 | ||
| Gordonia phosphorivorans | 1 | ||
| Gordonia phthalatica | 1 | neu | |
| Gordonia polyisoprenivorans | 1 | ||
| Gordonia rhizosphera | 1 | ||
| Gordonia rubripertincta (Rhodococcus rubropertinctus) | 1 | ||
| Gordonia shandongensis | 1 | ||
| Gordonia sihwensis | 1 | ||
| Gordonia sinesedis | 1 | ||
| Gordonia soli | 1 | ||
| Gordonia sputi (Rhodococcus sputi) | 2 | ||
| Gordonia terrae (Rhodococcus terrae) | 2 | ||
| Gordonia westfalica | 1 | ||
| Gordonibacter | |||
| Gordonibacter faecihominis | 1 | neu | |
| Gordonibacter pamelaeae | 1 | + | |
| Gordonibacter urolithinfaciens | 1 | neu | |
| Gorillibacterium | |||
| Gorillibacterium massiliense | 1 | neu | |
| Gottschalkia | |||
| Gottschalkia acidurici (Clostridium acidurici) | 1 | Umb. | |
| Gottschalkia purinilytica (Clostridium purinilyticum) | 1 | Umb. | |
| Gracilibacillus | |||
| Gracilibacillus alcaliphilus | 1 | neu | |
| Gracilibacillus bigeumensis | 1 | ||
| Gracilibacillus boraciitolerans | 1 | ||
| Gracilibacillus dipsosauri (Bacillus dipsosauri) | 1 | ||
| Gracilibacillus halophilus | 1 | ||
| Gracilibacillus halotolerans | 1 | ||
| Gracilibacillus kekensis | 1 | ||
| Gracilibacillus lacisalsi | 1 | ||
| Gracilibacillus massiliensis | 1 | neu | |
| Gracilibacillus orientalis | 1 | ||
| Gracilibacillus saliphilus | 1 | ||
| Gracilibacillus thailandensis | 1 | ||
| Gracilibacillus ureilyticus | 1 | ||
| Gracilibacter | |||
| Gracilibacter thermotolerans | 1 | ||
| Gracilimonas | |||
| Gracilimonas halophila | 1 | neu | |
| Gracilimonas mengyeensis | 1 | ||
| Gracilimonas rosea | 1 | ||
| Gracilimonas tropica | 1 | ||
| Grahamella → Bartonella | |||
| Grahamella peromysci → Bartonella peromysci | |||
| Grahamella talpae → Bartonella talpae | |||
| Gramella | |||
| Gramella aestuarii | 1 | ||
| Gramella aestuariivivens | 1 | neu | |
| Gramella antarctica | 1 | neu | |
| Gramella aquimixticola | 1 | neu | |
| Gramella echinicola | 1 | ||
| Gramella flava | 1 | ||
| Gramella forsetii | 1 | neu | |
| Gramella gaetbulicola | 1 | ||
| Gramella lutea | 1 | neu | |
| Gramella marina | 1 | ||
| Gramella oceani | 1 | neu | |
| Gramella planctonica | 1 | neu | |
| Gramella portivictoriae | 1 | ||
| Gramella sediminilitoris | 1 | neu | |
| Granulibacter | |||
| Granulibacter bethesdensis | 1 | + | |
| Granulicatella | |||
| Granulicatella adiacens (Streptococcus adjacens, Abiotrophia adiacens) | 2 | ||
| Granulicatella balaenopterae (Abiotrophia balaenopterae) | 1 | t+ | Einst., Umb. |
| Granulicatella elegans (Abiotrophia elegans) | 2 | ||
| Granulicella | |||
| Granulicella acidiphila | 1 | neu | |
| Granulicella aggregans | 1 | ||
| Granulicella arctica | 1 | ||
| Granulicella cerasi | 1 | neu | |
| Granulicella mallensis | 1 | ||
| Granulicella paludicola | 1 | ||
| Granulicella pectinivorans | 1 | ||
| Granulicella rosea | 1 | ||
| Granulicella sapmiensis | 1 | ||
| Granulicella tundricola | 1 | ||
| Granulicoccus | |||
| Granulicoccus phenolivorans | 1 | ||
| Granulosicoccus | |||
| Granulosicoccus antarcticus | 1 | ||
| Granulosicoccus coccoides | 1 | ||
| Granulosicoccus marinus | 1 | neu | |
| Granulosicoccus undariae | 1 | neu | |
| Grimontia | |||
| Grimontia celer | 1 | neu | |
| Grimontia hollisae (Vibrio hollisae) | 2 | Z | |
| Grimontia marina | 1 | ||
| Gryllotalpicola | |||
| Gryllotalpicola daejeonensis | 1 | ||
| Gryllotalpicola ginsengisoli (Curtobacterium ginsengisoli) | 1 | ||
| Gryllotalpicola koreensis | 1 | ||
| Gryllotalpicola kribbensis | 1 | ||
| Gryllotalpicola reticulitermitis | 1 | neu | |
| Gryllotalpicola soli | 1 | neu | |
| Guggenheimella | |||
| Guggenheimella bovis | 2 | t | |
| Gulbenkiania | |||
| Gulbenkiania indica | 1 | ||
| Gulbenkiania mobilis | 1 | ||
| Gulosibacter | |||
| Gulosibacter chungangensis | 1 | ||
| Gulosibacter molinativorax | 1 | ||
| Guyparkeria | |||
| Guyparkeria halophila (Halothiobacillus halophilus, Thiobacillus halophilus) | 1 | Umb. | |
| Guyparkeria hydrothermalis (Halothiobacillus hydrothermalis, Thiobacillus hydrothermalis) | 1 | Umb. | |
| Gynuella | |||
| Gynuella sunshinyii | 1 | neu |