Maricaulis | maris | |
| | virginensis | |
Marinococcus | albus | See Salimicrobium album |
Marinococcus | halophilus | |
Marivirga | tractuosa | |
Meiothermus | ruber | |
Methanobacterium | arcticum | |
| | bryantii | |
| | defluvii | |
| | formicicum | |
| | formicicum | |
| | formicicum | |
| | ivanovii | |
| | sp. | |
| | thermalcaliphilum | See Methanothermobacter thermoautotrophicus |
| | thermautotrophicum | See Methanothermobacter thermautotrophicus |
| | thermoaggregans | |
| | thermoflexum | See Methanothermobacter thermoflexus |
| | thermoformicicum | See Methanothermobacter thermautotrophicus |
| | thermophilum | See Methanothermobacter thermophilus |
| | veterum | |
Methanococcus | mazei | See Methanosarcina mazei |
Methanosarcina | barkeri | |
| | lacustris | |
| | mazei | |
| | thermophila | |
Methanothermobacter | thermautotrophicus | |
| | thermoautotrophicus | |
| | thermoflexus | |
| | thermophilus | |
Methyloarcula | marina | |
| | terricola | |
Methylobacillus | flagellatus | |
| | glycogenes | |
| | pratensis | |
| | sp. | |
Methylobacter | psychrophilus | |
| | sp. | |
Methylobacterium | aminovorans | |
| | dichloromethanicum | See Methylobacterium extorquens |
| | extorquens | |
| | lusitanum | See Methylobacterium rhodesianum |
| | lusitanum. | See Methylobacterium rhodesianum |
| | organophilum | |
| | radiotolerans | |
| | rhodesianum | |
| | rhodinum | |
| | suomiense | |
| | thiocyanatum | |
| | zatmanii | |
Methylococcus | capsulatus | |
Methylocystis | echinoides | |
| | heyeri | |
| | parvus | |
| | sp. | |
Methylomonas | methanica | |
Methylophaga | alcalica | |
| | marina | |
| | sp. | |
| | thalassica | |
Methylophilus | leisingerii | |
| | methylotrophus | |
| | sp. | |
Methylopila | capsulata | |
| | helvetica | |
Methylorhabdus | multivorans | |
Methylosinus | sporium | |
| | trichosporium | |
Methylothermus | thermalis | |
Methylovorus | glucosotrophus | |
| | mays | |
Microbacterium | arabinogalactanolyticum | |
| | arborescens | |
| | aurantiacum | |
| | aurum | |
| | barkeri | |
| | chocolatum | |
| | dextranolyticum | |
| | esteraromaticum | |
| | flavescens | |
| | halophilum | |
| | hominis | |
| | imperiale | |
| | keratanolyticum | |
| | ketosireducens | |
| | lacticum | |
| | laevaniformans | |
| | liquefaciens | |
| | maritypicum | |
| | oxydans | |
| | saperdae | |
| | schleiferi | |
| | sp. | |
| | terrae | |
| | terregens | |
| | testaceum | |
| | thalassium | |
| | trichothecenolyticum | |
Microbispora | aerata | See Microbispora rosea |
Microbispora | amethystogenes | See Microbispora rosea |
Microbispora | mesophila | |
| | rosea | |
| | thermorosea | See Microbispora rosea |
Micrococcus | agilis | See Arthrobacter agilis |
Micrococcus | aquivivus | See Planococcus citreus |
Micrococcus | denitrificans | See Paracoccus denitrificans |
Micrococcus | eucinetus | See Planococcus citreus |
Micrococcus | halobius | See Nesterenkonia halobia |
Micrococcus | kristinae | See Kocuria kristinae |
Micrococcus | luteus | |
| | lylae | |
| | nishinomiyaensis | See Dermacoccus nishinomiyaensis |
| | phosphoreus | See Photobacterium phosphoreum |
| | radiodurans | See Deinococcus radiodurans |
| | radiophilus | See Deinococcus radiophilus |
| | roseus | See Kocuria rosea |
| | sedentarius | See Kytococcus sedentarius |
| | sp. | |
| | varians | See Kocuria varians |
Microcyclus | aquaticus | See Ancylobacter aquaticus |
Microcyclus | major | See Flectobacillus major |
Microechinospora | grisea | See Streptomyces pseudoechinosporeus |
Microellobosporia | cinerea | See Streptomyces cinereus |
Microellobosporia | flavea | See Streptomyces flaveus |
Microellobosporia | grisea | See Streptomyces pseudoechinosporeus |
Microellobosporia | violacea | See Streptomyces yerevanensis |
Microlunatus | phosphovorus | |
Micromonospora | aurantiaca | |
| | brunnea | See Micromonospora purpureochromogenes |
| | chalcea | |
| | coerulea | |
| | echinospora | |
| | matsumotoense | |
| | olivasterospora | |
| | purpureochromogenes | |
| | rubra | See Nonomuraea rubra |
| | sp. | |
Micropolyspora | brevicatena | See Nocardia brevicatena |
Micropolyspora | internatus | See Saccharomonospora viridis |
Micropolyspora | rectivirgula | See Saccharopolyspora rectivirgula |
Microscilla | tractuosa | See Marivirga tractuosa |
Microtetraspora | africana | See Nonomuraea africana |
Microtetraspora | fastidiosa | See Nonomuraea fastidiosa |
Microtetraspora | ferruginea | See Nonomuraea ferruginea |
Microtetraspora | fusca | |
| | glauca | |
| | polychroma | See Nonomuraea polychroma |
| | pusilla | See Nonomuraea pusilla |
| | recticatena | See Nonomuraea recticatena |
| | roseola | See Nonomuraea roseola |
| | roseoviolacea | See Nonomuraea roseoviolacea |
| | rubra | See Nonomuraea rubra |
| | salmonea | See Nonomuraea salmonea |
| | spiralis | See Nonomuraea spiralis |
| | turkmeniaca | See Nonomuraea turkmeniaca |
| | viridis | See Actinomadura viridis |
Microvirgula | aerodenitrificans | |
Mycobacterium | fortuitum | |
| | moriokaense | |
| | phlei | |
| | smegmatis | |
| | sp. | |
Mycoderma | aceti var. muciparum | See Acetobacter aceti |
Mycoderma | aceti var. Muciparum | See Acetobacter aceti |
Mycoderma | aceti var. muciparum | See Acetobacter aceti |
Mycoplana | bullata | See Brevundimonas bullata |
Mycoplana | dimorpha | |
Myxococcus | filiformis | See Chitinophaga filiformis |