Bacteria(Domain);

Proteobacteria (Phylum);

Epsilon Proteobacteria (Class);

Campylobacterales (Order);

Helicobacteraceae (Family);

Helicobacter (Genus)

gram-negative, causes stomach ulcers

Bacteria (Domain);

Proteobacteria (Phylum);

Gamma Proteobacteria (Class);

Enterobacteriales (Order);

Enterobacteriaceae (Family);

Escherichia (Genus)

aerobic, gram negative

Domain: Bacteria

Kingdom: Bacteria

Phylum: Firmicutes

Class: Cocci

Order: Bacillales

Family: Staphylococcaceae

Genus: Staphylococcus

causes staph, gram positive

Archaea;

Euryarchaeota;

Methanobacteria;

Methanobacteriales;

Methanobacteriaceae

Bacteria;

Proteobacteria;

Alphaproteobacteria;

Rhodospirillales;

Rhodospirillaceae;

Magnetospirillum

gram negative, iron and nitrate reduction

Bacteria; Bacteroidetes/Chlorobi group;

Bacteroidetes;

Flavobacteria;

Flavobacteriales;

Flavobacteriaceae

Bacteria;

Actinobacteria;

Actinobacteria (class);

Actinobacteridae;

Actinomycetales;

Micrococcineae;

Micrococcaceae

Bacteria

Proteobacteria

Alphaproteobacteria

Caulobacteralus

Caulobacteraceae;

Caulobacter

gram negative, marine organism

Kingdom: Bacteria Phylum: Firmicutes Class: Bacilli Order: LactobacillalesFamily: StreptococcaceaeGenus: Streptococcus 

gram-positive flesh eating bacteria

Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae

Allivibrio fischeri

Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae; Vibrio; Vibrio fischeri

gram-positive, quorum sensing

Domain:Bacteria

Phylum:Firmicutes

Class:Cocci

Order:Lactobacillales

Family:Streptococcaceae

Genus:Streptococcus

Species:S. pneumoniae

gram-positive, causes pneumonia 

Kingdom:Fungi

Phylum:Ascomycota

Subphylum:Saccharomycotina

Class:Saccharomycetes

Order:Saccharomycetales

Family:Saccharomycetaceae

Genus:Saccharomyces

Species:S. cerevisiae

yeast used in baking

Domain: Bacteria;

Phylum: Proteobacteria;

Class: Betaproteobacteria;

Order: Hydrogenophilales;

Family: Hydrogenophilaceae;

Genus: Thiobacillus

 Gram-negative, obligately chemolithoautotrophic, sulfur oxidizing

Bacteria; Proteobacteria; Betaproteobacteria: Nitrosomonadales; Gallionellace

iron-oxidizing chemolithotrophic

Domain: Bacteria

Phylum: Planctomycetes

Class: Planctomycetacia

Order: Planctomycetales

Family: unclassified Planctomycetales

Genus: Candidatus Brocadia

anarobically oxidize ammonia to dinitrogen gas

Bacteria; Aquificae; Aquificae (class); Aquificales; Aquificaceae; Aquifex 

most extreme thermophilic bacteria

Bacteria; Proteobacteria; Alpha Proteobacteria; Rickettsiales; Rickettsiaceae; Spotted fever group

causes rocky mountain spotted fever

Domain: Bacteria, Phylum: Proteobacteria, Class: Alphaproteobacteria, Order: Rhizobiales, Family: Bradyrhizobiaceae

gram-negative nitrogen fixing bacteria

Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Methylobacteriaceae

use methanol and methylamine as well as C2, C3 and C4 compounds to grow

Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales; Enterobacteriaceae

 cause systemic infections and typhoid fevers

Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae

opportunistic pathogens

Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales; Neisseriaceae

 facultative anaerobic, oxidase-positive, glucose-fermenting, non-lactose-fermenting, Gram-negative bacillus, only infect humans through intake of contaminated food or water

Domain: Bacteria

Phylum: Probacteria

Class: Beta Probacteria Order: Neisseriales

Family: Neisseriaceae

gram-negative, causes gonorrhea

Bacteria; Proteobacteria; Deltaproteobacteria; Bdellovibrionales

parasite to other gram-negative bacteria

Bacteria (domain); Firmicutes (phylum); Bacilli (class); Bacillales (order); Bacillaceae (family); Bacillus (genus)

anthrax

gram-positive, 

Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae; Lactobacillus

gram-positive, heterifermentatic lactic acid bacterium 

Bacteria; Deinococcus-Thermus; Deinococci; Deinococcales; Deinococcaceae; Deinococcus

radiation resistant

Bacteria; Thermotogae; Thermotogae (class); Thermotogales; Thermotogaceae

active at all temeratures

Domain: Bacteria; Phylum: Chlorobi; Class: Chlorobia; Order: Chlorobiales; Family: Chlorobiaceae

anaerobic phototrophic bacterium that is also a thermophile

Archaea; Euryarchaeota; Halobacteria; Halobacteriales; Halobacteriaceae; Halobacterium

halophilic

Archaea, Euryarchaeota, Halobacteria, Halobacteriales, Halobacteriaceae, Haloferax

halophile in extreme saline environments

Archaea; Euryarchaeota; Methanobacteria; Methanobacteriales; Methanobacteriaceae; Methanobrevibacter

methanogenic

Archaea; Euryarchaeota; Methanomicrobia; Methanomicrobiales; Methanospirillaceae

methanogen used to treat organic wastes

Archaea : Euryarchaeota : Methanomicrobia : Methanosarcinales : Methanosarcinaceae 

Archaea; Euryarchaeota; Thermoplasmata; Thermoplasmatales; Thermoplasmataceae

thermi acidophile

Archaea; Nanoarchaeota

parasitic, hydrothermophilic

Domain: Archaea

Phylum: Crenarchaeota

Class: Thermoprotei

Order: Desulfurococcales

Family: Pyrodictiaceae

Genus: Geogemma

Species: G. barossii

hyperthermophile

Eukaryota; Fungi/Metazoa group; Fungi

very simple fungi

Fungi, Ascomycota, Saccharomycetes, Saccharomycetales, Saccharomycetaceae, Candida,

yeast pathogen

Eukaryota; Fungi/Metazoa group; Fungi; Ascomycota; Pezizomycotina; 

post-harvest pathogens

Eukaryota; Lobosea; Euamoebida; Amoebidae

simplest eukaryotes