The Classification of Living Organisms Kingdom: Eubacteria Phylum Acidobacteria (eg. Acidobacterium, Geothrix) Phylum Actinobacteria (eg. Streptomyces, Mycobacterium) Phylum Aquificales Phylum Bacteroidetes (eg. Bacteroides) Phylum Chlamydiae (eg. Chlamydia) Phylum Chlorobi Phylum Chloroflexi Phylum Chrysiogenetes Phylum Cyanobacteria (eg. Anabaena, Nostoc, Oscillatoria) Phylum Deferribacteres Phylum Deinococcus-Thermus Phylum Dictyoglomi Phylum Fibrobacteres Phylum Firmicutes (eg. Bacillus, Listeria, Thermobacillus, Enterococcus, Lactobacillus, Staphylococcus, Streptococcus) Phylum Fusobacteria Phylum Gemmatimonadetes Phylum Lentisphaerae Phylum Nitrospirae (eg. Leptospirillum) Phylum Planctomycetes Phylum Proteobacteria (eg. Pseudomonas, Rhizobium, Rickettsia, Neisseria, Spirillum, Helicobacter, Escherichia, Shigella, Vibrio) Phylum Spirochaetae (eg. Leptospira, Borrelia, Spirochaeta, Treponema) Phylum Tenericutes (eg. Mycoplasma) Phylum Thermodesulfobacteria Phylum Thermomicrobia Phylum Thermotogae Phylum Verrucomicrobia Kingdom: Archaea Phylum Crenarchaeota (eg. Acidilobus, Thermosphaera, Pyrolobus, Sulfolobus) Phylum Euryarchaeota (eg. Halobacterium, Methanobacterium, Methanococcus)

Kingdom Protista (Algae, Protozoa, Slime Molds - not most current taxonomy) Phylum Pyrrhophyta (fire algae, dinoflagellates) Phylum Chrysophyta (diatoms) Phylum Euglenophyta (euglenoids) Phylum Chlorophyta (green algae) Algae Phylum Rhodophyta (red algae) Phylum Phaeophyta (brown algae) Phylum Sarcodina (amoebas) Phylum Mastigophora (flagellates) Phylum Ciliophora (ciliates) Protozoa Phylum Apicomplexa Phylum Microspora Phylum Myxomycota (plasmodial slime molds) Phylum Acrasiomycota (cellular slime molds) Slime Molds Phylum Oomycota (water molds) Kingdom Fungi (yeasts and molds) Phylum Chytridiomycota Phylum Zygomycota (zygomycetes) Phylum Ascomycota (ascomycetes, sac fungi) Phylum Basidiomycota (basidiomycetes, club fungi) Phylum Deuteromycota (deuteromycetes, fungi imperfecti) Kingdom Plantae (Plants) Phylum: Bryophyta (mosses) Phylum: Hepaticophyta (liverworts) “mosses” Phylum: Anthocerotophyta (hornworts) Phylum: Pterophyta (ferns) Phylum: Psilotophyta (whisk ferns) Phylum: Sphenophyta (horsetails) “ferns” Phylum: Lycophyta (club mosses) Phylum: Coniferophyta (gymnosperms) Phylum: Cycadophyta (cycads) Phylum: Ginkgophyta (ginkgoes) “conifers” Phylum: Gnetophyta (gnetophytes) Phylum: Anthophyta (angiosperms; flowering plants) Class: Dicotyledons (dicots) “flowering plants Class: Monocotyledons (monocots) Kingdom Metazoa (Animals) Phylum: Placozoa Phylum: Porifera [Sponges] Phylum: Mesozoa Phylum: Cnidaria [Jellyfish & Corals] Phylum: Ctenophora [Comb Jellys] Phylum: Platyhelminthes [Flatworms] Phylum: Nemertea [Ribbonworms] Phylum: Gnathostomulida Phylum: Nematoda [Roundworms] Phylum: Rotifera Phylum: Gastrotricha Phylum: Kinorhyncha Phylum: Loricifera Phylum: Priapulida Phylum: Nematomorpha [Horsehair Worms] Phylum: Acanthocephala [Spiny-Headed Worms] Phylum: Entoprocta Phylum: Mollusca [Molluscs] Phylum: Annelida [Segmented Worms] Phylum: Arthropoda [Arthropods] Subphylum: Myriopoda Class: Chilopoda (centipedes) Class: Diplopoda (millipedes) Class: Pauropoda Class: Symphyla Subphylum: Chelicerata Class: Merostomata (horshoe crabs) Class: Pycnogonida (sea spiders) Class: Arachnida (spiders, scorpions, mites, ticks) Subphylum: Crustacea Class: Branchiopoda (tadpole shrimp, water fleas, brine shrimp, fairy shrimp) Class: Maxillipoda (seed shrimp, copepods, fish lice, barnacles) Class: Malacostraca (shrimp, crabs, lobsters, crayfish, pill bugs, amphipods,) Class: Remipedia Class: Cephalocarida Class: Pentastomida (tongue worms) Subphylum: Hexapoda Class: Protura (coneheads) Class: Diplura (two pronged bristletails) Class: Collembola (springtails, snowfleas) Class: Insecta Order: Thysanura (silverfish, bristletails) Order: Ephemeroptera (mayflies) Order: Odonata (dragonflies, damselflies) Order: Orthoptera (locusts, grasshoppers, walking sticks, praying mantis) Order: Dermaptera (earwigs) Order: Plecoptera (stoneflies) Order: Isoptera (termites) Order: Embioptera (webspinners) Order: Psocoptera (book lice, bark lice) Order: Zoraptera Order: Mallophata (biting lice Order: Anoplura (sucking lice) Order: Thysanoptera (thrips) Order: Hemiptera (true bugs; squash bugs, chinch bugs, stink bugs) Order: Homoptera (cicadas, aphids, scale insects, leafhoppers) Order: Neuroptera (dobsonflies, at lios, lacewings) Order: Coleoptera (beetles, fireflies, weevils) Order: Strepsiptera Order: Mecoptera (scorpionflies) Order: Lepidoptera (butterflies, skippers, moths) Order: Diptera (true flies; fruit flies, house flies, mosquitoes, crane flies) Order: Trichoptera (caddisflies) Order: Siphonaptera (fleas) Order: Hymenoptera (ants, bees, wasps, hornets) Phylum: Sipuncula [Peanut Worms] Phylum: Echiura [Spoonworms] Phylum: Pogonophora [Beard Worms] Phylum: Onycophora [Velvet Worms] Phylum: Tardigrada [Water Bears] Phylum: Phoronida Phylum: Brachiopoda [Lampshells] Phylum: Ectoprocta [Bryozoa, moss animals] Phylum: Echinodermata [Echinoderms; starfish, sea urchins, brittle stars] Phylum: Chaetognatha [Arrowworms] Phylum: Hemichordata [Acornworms] Phylum: Chordata [Chordates] Subphylum: Urochordata Subphylum: Cephalochordata Subphylum: Vertebrata Class: Agnatha Class: Chondrichthyes Class: Osteichthyes Class: Amphibia Class: Reptilia Class: Aves Class: Mammalia Order: Marsupialia (opossums) Order: Insectivora (shrews and moles) Order: Chiroptera (bats) Order: Edentata (armadillos) Order: Lagomorpha (rabbits and hares Order: Rodentia (rats, mice, squirrels, gophers, beavers) Order: Cetacea (whales and dolphins) Order: Carnivora (dogs, bears, raccoons, skunks, cats) Order: Pinnipedia (sea lions, walruses) Order: Sirenia (manatees, sea cows) vertebrates Order: Artiodactyla (deer, bison, cows, pigs, goats) Order: Perissodactyla (horses, donkeys) Order: Primates (lemurs, monkeys, gorillas, baboons, humans) Suborder: Prosimii (lemurs, bush babies, tarsiers, lorises) Suborder: Anthropoidea Superfamily: Ceboidea (new world monkeys) Superfamily: Cercopithecoidea (old world monkeys) Superfamily: Hominoidea Family: Hylobatidae (gibbons) Family: Pongidae (apes, chimpanzees, gorillas) Family: Hominidae Genus: Australopithecus Genus: Homo Species: Homo habilis Species: Homo erectus Species: Homo sapiens (humans) Species: Homo neanderthalis Species: Homo sapiens (modern humans)