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• Eubacteriales, order Eubacteriales go
  one of two usually recognized orders of true bacteria
  
• Pseudomonadales, order Pseudomonadales go
  one of two usually recognized orders of true bacteria
  
• Rickettsiales, order Rickettsiales go
  pleomorphic Gram-negative microorganisms
  
• Mycoplasmatales, order Mycoplasmatales go
  coextensive with the family Mycoplasmataceae
  
• Actinomycetales, order Actinomycetales go
  filamentous or rod-shaped bacteria
  
• order Myxobacteria, Myxobacterales, order Myxobacterales, Myxobacteriales, order Myxobacteriales go
  an order of higher bacteria
  
• Spirochaetales, order Spirochaetales go
  higher bacteria
  
• Heliozoa, order Heliozoa go
  mostly freshwater protozoa
  
• Radiolaria, order Radiolaria go
  marine protozoa
  
• Amoebida, order Amoebida, Amoebina, order Amoebina go
  the animal order including amoebas
  
• Foraminifera, order Foraminifera go
  foraminifers
  
• Testacea, order Testacea go
  testacean rhizopods
  
• Fucales, order Fucales go
  coextensive with the family Fucaceae
  
• Zygnematales, order Zygnematales, Zygnemales, order Zygnemales go
  pond scums
  
• Dinoflagellata, order Dinoflagellata, Cilioflagellata, order Cilioflagellata go
  in some classifications considered a phylum of the kingdom Protista
  
• Hypermastigina, order Hypermastigina go
  cellulose-producing flagellates
  
• Polymastigina, order Polymastigina go
  small usually parasitic flagellates
  
• Coccidia, order Coccidia go
  an order in the subclass Telosporidia
  
• Gregarinida, order Gregarinida go
  an order in the subclass Telosporidia
  
• Haemosporidia, order Haemosporidia go
  an order in the subclass Telosporidia
  
• Sarcosporidia, order Sarcosporidia go
  imperfectly known parasites of the muscles of vertebrates
  
• Haplosporidia, order Haplosporidia go
  an order in the subclass Acnidosporidia
  
• Actinomyxidia, order Actinomyxidia go
  parasites of worms
  
• Mycrosporidia, order Mycrosporidia go
  an order in the subclass Cnidosporidia
  
• Myxosporidia, order Myxosporidia go
  an order in the subclass Cnidosporidia
  
• Malacopterygii, superorder Malacopterygii go
  an extensive group of teleost fishes having fins supported by flexible cartilaginous rays
  
• Cypriniformes, order Cypriniformes go
  an order of animals including almost entirely freshwater fishes: characins
  
• Berycomorphi, order Berycomorphi go
  an order of spiny-finned fish in the superorder Acanthopterygii
  
• Zeomorphi, order Zeomorphi go
  dories
  
• Solenichthyes, order Solenichthyes go
  bellows fishes
  
• Ostracodermi, order Ostracodermi go
  extinct group of armored jawless vertebrates
  
• Heterostraci, suborder Heterostraci go
  extinct group of armored jawless fishes or fish-like vertebrate
  
• Osteostraci, suborder Osteostraci, Cephalaspida, suborder Cephalaspida go
  extinct group of armored fish-like vertebrates
  
• Anaspida, order Anaspida go
  extinct order of jawless vertebrates
  
• Conodonta, order Conodonta, Conodontophorida, order Conodontophorida go
  extinct order of primitive vertebrates
  
• Cyclostomata, order Cyclostomata go
  primitive jawless aquatic vertebrate: lampreys
  
• Petromyzoniformes, suborder Petromyzoniformes, Hyperoartia, suborder Hyperoartia go
  lampreys as distinguished from hagfishes
  
• Myxiniformes, suborder Myxiniformes, Hyperotreta, suborder Hyperotreta, Myxinoidei, Myxinoidea, suborder Myxinoidei go
  hagfishes as distinguished from lampreys
  
• Torpediniformes, order Torpediniformes go
  rays with bodies shaped like torpedoes
  
• Rajiformes, order Rajiformes, Batoidei, order Batoidei go
  fish with dorsoventrally flattened bodies
  
• Ratitae, superorder Ratitae go
  used in former classifications to include all ratite bird orders
  
• Struthioniformes, order Struthioniformes go
  a ratite bird order: ostriches and related extinct birds
  
• Casuariiformes, order Casuariiformes go
  a ratite bird order: cassowaries and emus
  
• Apterygiformes, order Apterygiformes go
  a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis
  
• Rheiformes, order Rheiformes go
  a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas
  
• Aepyorniformes, order Aepyorniformes go
  huge extinct flightless birds: elephant birds
  
• Dinornithiformes, order Dinornithiformes go
  a ratite bird order: recently extinct flightless birds of New Zealand
  
• Insessores, order Insessores, perching bird, percher go
  a bird with feet adapted for perching (as on tree branches)
  
• Passeriformes, order Passeriformes go
  largest order of birds comprising about half the known species
  
• Oscines, suborder Oscines, Passeres, suborder Passeres go
  two names for the suborder of typical songbirds
  
• Menurae, suborder Menurae go
  lyrebirds and scrubbirds
  
• Eurylaimi, suborder Eurylaimi go
  broadbills
  
• Tyranni, suborder Tyranni go
  New World flycatchers
  
• Clamatores, suborder Clamatores go
  used in some classification systems
  
• Raptores, order Raptores go
  term used in former classifications
  
• Falconiformes, order Falconiformes go
  chiefly diurnal carnivorous birds having hooked beaks and long talons with opposable hind toe: falcons
  
• Strigiformes, order Strigiformes go
  owls
  
• Urodella, order Urodella, Caudata, order Caudata go
  salamanders
  
• Salientia, order Salientia, Anura, order Anura, Batrachia, order Batrachia go
  frogs, toads, tree toads
  
• Gymnophiona, order Gymnophiona go
  an order of amphibians including caecilians
  
• Labyrinthodontia, superorder Labyrinthodontia, Labyrinthodonta, superorder Labyrinthodonta go
  extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth
  
• Stereospondyli, order Stereospondyli go
  formerly a suborder of Stegocephalia
  
• Stegocephalia, order Stegocephalia go
  in former classifications a division of class Amphibia comprising all pre-Jurassic and some later extinct large salamandriform amphibia
  
• Temnospondyli, order Temnospondyli go
  formerly a suborder of Stegocephalia
  
• Chelonia, order Chelonia, Testudinata, order Testudinata, Testudines, order Testudines go
  tortoises and turtles
  
• Rhynchocephalia, order Rhynchocephalia go
  tuataras
  
• Squamata, order Squamata go
  diapsid reptiles: snakes and lizards
  
• Sauria, suborder Sauria, Lacertilia, suborder Lacertilia go
  true lizards
  
• Crocodylia, order Crocodylia, Crocodilia, order Crocodilia go
  crocodiles
  
• Loricata, order Loricata go
  former name for the order Crocodylia
  
• Ornithischia, order Ornithischia go
  extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans)
  
• Thyreophora, suborder Thyreophora, thyreophoran go
  armored dinosaurs: stegosaurs and ankylosaurs
  
• Marginocephalia, suborder Marginocephalia, marginocephalian go
  includes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs
  
• suborder Pachycephalosaurus go
  boneheaded dinosaurs
  
• Ceratopsia, suborder Ceratopsia go
  horned dinosaurs
  
• Euronithopoda, suborder Euronithopoda, euronithopod, Ornithopoda, suborder Ornithopoda go
  widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)
  
• Saurischia, order Saurischia go
  extinct terrestrial reptiles: theropods (carnivorous)
  
• Sauropodomorpha, suborder Sauropodomorpha go
  gigantic herbivorous dinosaurs having huge bodies with long necks and small heads: Prosauropoda and Sauropoda (apatosaurus, diplodocus and titanosaurs)
  
• Prosauropoda, suborder Prosauropoda go
  the earliest known dinosaurs
  
• Sauropoda, suborder Sauropoda go
  any of the sauropod dinosaurs
  
• Theropoda, suborder Theropoda go
  carnivorous saurischian dinosaurs with short forelimbs
  
• suborder Ceratosaura go
  primitive saurischian dinosaurs
  
• Carnosaura, suborder Carnosaura go
  largest carnivorous land animals ever known
  
• Ornithomimida, suborder Ornithomimida go
  lightly built medium-size theropods
  
• Maniraptora, suborder Maniraptora go
  advanced theropods including oviraptorids and dromaeosaurs and possibly even modern birds
  
• Therapsida, order Therapsida go
  extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic
  
• Ictodosauria, order Ictodosauria go
  extinct reptiles of the later Triassic period
  
• Pelycosauria, order Pelycosauria go
  edaphosaurus
  
• Pterosauria, order Pterosauria go
  extinct flying reptiles: pterosaurs
  
• Thecodontia, order Thecodontia go
  extinct terrestrial reptiles having teeth set in sockets
  
• Ichthyosauria, order Ichthyosauria go
  extinct marine reptiles: ichthyosaurs
  
• Sauropterygia, order Sauropterygia go
  extinct marine reptiles: plesiosaurs
  
• Plesiosauria, suborder Plesiosauria go
  any of the plesiosaurs
  
• Nothosauria, suborder Nothosauria go
  a suborder of Sauropterygia
  
• Serpentes, suborder Serpentes, Ophidia, suborder Ophidia go
  snakes
  
• Phalangida, order Phalangida, Opiliones, order Opiliones go
  harvestmen
  
• Scorpionida, order Scorpionida go
  true scorpions
  
• Chelonethida, order Chelonethida, Pseudoscorpionida, order Pseudoscorpionida, Pseudoscorpiones, order Pseudoscorpiones go
  false scorpions
  
• Pedipalpi, order Pedipalpi, Uropygi, order Uropygi go
  whip scorpions
  
• Araneae, order Araneae, Araneida, order Araneida go
  spiders
  
• Acarina, order Acarina go
  mites and ticks
  
• Geophilomorpha, order Geophilomorpha go
  small elongate centipedes living in soil and under stones and having more than 30 pairs of legs
  
• Pycnogonida, order Pycnogonida go
  sea spiders
  
• Xiphosura, order Xiphosura go
  horseshoe crabs and extinct forms
  
• Eurypterida, order Eurypterida go
  extinct aquatic arthropods of the Paleozoic
  
• Galliformes, order Galliformes go
  pheasants
  
• Tinamiformes, order Tinamiformes go
  coextensive with the family Tinamidae
  
• Columbiformes, order Columbiformes go
  sand grouse
  
• Psittaciformes, order Psittaciformes go
  an order of birds including parrots and amazons and cockatoos and lorikeets and lories and macaws and parakeets
  
• Cuculiformes, order Cuculiformes go
  cuckoos
  
• Coraciiformes, order Coraciiformes go
  rollers
  
• Picariae, order Picariae go
  term used in some classifications as nearly equivalent to the order Coraciiformes
  
• Apodiformes, order Apodiformes go
  swifts
  
• Caprimulgiformes, order Caprimulgiformes go
  goatsuckers
  
• Piciformes, order Piciformes go
  woodpeckers
  
• Trogoniformes, order Trogoniformes go
  trogons
  
• Anseriformes, order Anseriformes go
  ducks
  
• Anseres, suborder Anseres go
  used in some especially older classifications
  
• Monotremata, order Monotremata go
  coextensive with the subclass Prototheria
  
• Marsupialia, order Marsupialia go
  coextensive with the subclass Metatheria
  
• Insectivora, order Insectivora go
  shrews
  
• Lipotyphla, suborder Lipotyphla go
  moles
  
• Menotyphla, suborder Menotyphla go
  elephant shrews
  
• Siphonophora, order Siphonophora go
  marine colonial hydrozoans
  
• Actiniaria, order Actiniaria, Actinaria, order Actinaria go
  sea anemones
  
• Alcyonaria, order Alcyonaria go
  corals and sea anemones having eight branches
  
• Alcyonacea, suborder Alcyonacea go
  comprising the soft corals
  
• Gorgonacea, suborder Gorgonacea, Gorgoniacea, suborder Gorgoniacea go
  red corals and sea fans
  
• Madreporaria, order Madreporaria go
  stony corals
  
• Cydippida, order Cydippida, Cydippidea, order Cydippidea, Cydippea, order Cydippea go
  ctenophores having two long pinnate tentacles
  
• Platyctenea, order Platyctenea go
  an order of Tentaculata
  
• Cestida, order Cestida go
  ctenophore having short tentacles
  
• Lobata, order Lobata go
  ctenophore having tentacles only in the immature stage
  
• Nudibranchia, order Nudibranchia go
  comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug
  
• Pulmonata, order Pulmonata go
  large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails
  
• Pectinibranchia, order Pectinibranchia go
  large order of gastropods comprising univalve mollusks that have a single gill resembling a comb
  
• Solenogastres, order Solenogastres, Aplacophora, order Aplacophora go
  an order of Amphineura
  
• Myaceae, order Myaceae go
  clams
  
• Octopoda, order Octopoda go
  octopuses and paper nautilus
  
• Decapoda, order Decapoda go
  squids and cuttlefishes
  
• Belemnoidea, order Belemnoidea go
  order of extinct dibranchiate cephalopods related to the surviving spirulas
  
• Decapoda, order Decapoda go
  lobsters
  
• Brachyura, suborder Brachyura go
  an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface
  
• Reptantia, suborder Reptantia go
  lobsters
  
• Natantia, suborder Natantia go
  shrimp
  
• Schizopoda go
  in former classifications a division of Malacostraca
  
• Euphausiacea, order Euphausiacea go
  small commonly luminescent crustaceans
  
• Mysidacea, order Mysidacea go
  opossum shrimp
  
• Stomatopoda, order Stomatopoda go
  mantis shrimps
  
• Isopoda, order Isopoda go
  woodlice
  
• Amphipoda, order Amphipoda go
  small flat-bodied semiterrestrial crustaceans: whale lice
  
• Anostraca, order Anostraca go
  small aquatic crustaceans lacking a carapace: fairy shrimps
  
• Notostraca, order Notostraca go
  small freshwater crustaceans with a shield-shaped carapace
  
• Branchiura, order Branchiura go
  copepods with suctorial mouthparts
  
• Ciconiiformes, order Ciconiiformes go
  order of chiefly tropical marsh-dwelling fish-eating wading birds with long legs and bills and (except for flamingos) unwebbed feet: herons
  
• Gruiformes, order Gruiformes go
  inland marsh-dwelling birds with long legs and necks and bills that wade in water in search of food: cranes
  
• Otides, suborder Otides go
  terrestrial game birds of the Old World and Australia: bustards
  
• Charadriiformes, order Charadriiformes go
  large diverse order of aquatic birds found along seacoasts and inland waters: shorebirds and coastal diving birds
  
• Charadrii, suborder Charadrii go
  shorebirds: plovers
  
• Limicolae, suborder Limicolae go
  term used in some classifications for migratory shorebirds
  
• Lari, suborder Lari go
  gulls
  
• Gaviiformes, order Gaviiformes go
  large aquatic birds: loons and some extinct forms
  
• Podicipitiformes, order Podicipitiformes, Podicipediformes, order Podicipediformes, Colymbiformes, order Colymbiformes go
  grebes
  
• Pelecaniformes, order Pelecaniformes go
  pelicans
  
• Sphenisciformes, order Sphenisciformes go
  penguins
  
• Procellariiformes, order Procellariiformes go
  petrels
  
• Cetacea, order Cetacea go
  an order of Eutheria
  
• Mysticeti, suborder Mysticeti go
  baleen whales: right whales
  
• Odontoceti, suborder Odontoceti go
  toothed whales: dolphins
  
• Sirenia, order Sirenia go
  an animal order including: manatees
  
• Carnivora, order Carnivora go
  cats
  
• Pinnipedia, suborder Pinnipedia go
  seals
  
• Tubulidentata, order Tubulidentata go
  an order of Eutheria
  
• Chiroptera, order Chiroptera go
  an old order dating to early Eocene: bats: suborder Megachiroptera (fruit bats)
  
• Megachiroptera, suborder Megachiroptera go
  fruit bats
  
• Microchiroptera, suborder Microchiroptera go
  most of the bats in the world
  
• Mantophasmatodea, order mantophasmatodea go
  an order of insect identified in 2002 in a 45 million year old piece of amber from the Baltic region
  
• Mecoptera, order Mecoptera go
  an order of carnivorous insects usually having long membranous wings and long beaklike heads with chewing mouths at the tip
  
• Collembola, order Collembola go
  minute wingless arthropods: springtails
  
• Protura, order Protura go
  minute wingless arthropods: telsontails
  
• Coleoptera, order Coleoptera go
  beetles
  
• Embioptera, order Embioptera, Embiodea, order Embiodea go
  web spinners
  
• Anoplura, order Anoplura go
  sucking lice
  
• Mallophaga, order Mallophaga go
  biting lice
  
• Siphonaptera, order Siphonaptera go
  fleas
  
• Diptera, order Diptera go
  a large order of insects having a single pair of wings and sucking or piercing mouths
  
• Nematocera, suborder Nematocera go
  mosquitoes
  
• Hymenoptera, order Hymenoptera go
  an order of insects including: bees
  
• Isoptera, order Isoptera go
  order of social insects that live in colonies, including: termites
  
• Orthoptera, order Orthoptera go
  grasshoppers and locusts
  
• Phasmida, order Phasmida, Phasmatodea, order Phasmatodea go
  in some classifications considered a suborder of Orthoptera: stick insects
  
• Dictyoptera, order Dictyoptera go
  in some classifications replaced by the orders (here suborders) Blattodea (cockroaches) and Manteodea (mantids)
  
• Blattodea, suborder Blattodea, Blattaria, suborder Blattaria go
  cockroaches
  
• Manteodea, suborder Manteodea go
  mantises
  
• Hemiptera, order Hemiptera go
  plant bugs
  
• Heteroptera, suborder Heteroptera go
  true bugs
  
• Homoptera, suborder Homoptera go
  plant lice (aphids)
  
• Psocoptera, order Psocoptera, Corrodentia, order Corrodentia go
  an order of insects: includes booklice and bark-lice
  
• Ephemeroptera, order Ephemeroptera, Ephemerida, order Ephemerida go
  mayflies
  
• Plecoptera, order Plecoptera go
  stoneflies
  
• Neuroptera, order Neuroptera go
  an order of insects including: lacewings
  
• Megaloptera, suborder Megaloptera go
  in some classifications considered a separate order: alderflies
  
• Odonata, order Odonata go
  dragonflies and damselflies
  
• Anisoptera, suborder Anisoptera go
  dragonflies
  
• Zygoptera, suborder Zygoptera go
  damselflies
  
• Trichoptera, order Trichoptera go
  an order of insects consisting of caddis flies
  
• Thysanura, order Thysanura go
  firebrats
  
• Thysanoptera, order Thysanoptera go
  thrips
  
• Dermaptera, order Dermaptera go
  earwigs and a few related forms
  
• Lepidoptera, order Lepidoptera go
  moths and butterflies
  
• Exocycloida, order Exocycloida go
  flat sea urchins
  
• Spatangoida, order Spatangoida go
  heart-shaped sea urchins
  
• Lagomorpha, order Lagomorpha go
  rabbits
  
• Rodentia, order Rodentia go
  small gnawing animals: porcupines
  
• Myomorpha, suborder Myomorpha go
  true rats and mice and related rodents
  
• Hystricomorpha, suborder Hystricomorpha go
  an order of rodents including: porcupines
  
• Sciuromorpha, suborder Sciuromorpha go
  large more or less primitive rodents: squirrels
  
• Dinocerata, order Dinocerata go
  small order of primitive ungulates of the Paleocene and Eocene
  
• Hyracoidea, order Hyracoidea go
  hyraxes and some extinct animals
  
• Perissodactyla, order Perissodactyla go
  nonruminant ungulates: horses
  
• Artiodactyla, order Artiodactyla go
  an order of hooved mammals of the subclass Eutheria (including pigs and peccaries and hippopotami and members of the suborder Ruminantia) having an even number of functional toes
  
• Ruminantia, suborder Ruminantia go
  cattle
  
• Edentata, order Edentata go
  order of mammals having few or no teeth including: New World anteaters
  
• Xenarthra, suborder Xenarthra go
  armadillos
  
• Pholidota, order Pholidota go
  pangolins
  
• Primates, order Primates go
  an animal order including lemurs and tarsiers and monkeys and apes and human beings
  
• Anthropoidea, suborder Anthropoidea go
  monkeys
  
• Scandentia, order Scandentia go
  a small order comprising only the tree shrews: in some classifications tree shrews are considered either primates (and included in the suborder Prosimii) or true insectivores (and included in the order Insectivora)
  
• Prosimii, suborder Prosimii go
  not used in all classifications
  
• Lemuroidea, suborder Lemuroidea go
  Lemuridae
  
• Strepsirhini, suborder Strepsirhini go
  in some classifications either coextensive with the Lemuroidea or comprising the true lemurs
  
• Tarsioidea, suborder Tarsioidea go
  in some classifications assigned to the suborder Prosimii
  
• Dermoptera, order Dermoptera go
  flying lemurs
  
• Proboscidea, order Proboscidea go
  an order of animals including elephants and mammoths
  
• Siluriformes, order Siluriformes go
  an order of fish belonging to the superorder Malacopterygii including catfishes
  
• Gadiformes, order Gadiformes go
  cods, haddocks, grenadiers
  
• Anacanthini, order Anacanthini go
  at least partially equivalent to the order Gadiformes in some classifications
  
• Anguilliformes, order Anguilliformes, order Apodes go
  elongate fishes with pelvic fins and girdle absent or reduced
  
• Isospondyli, order Isospondyli go
  most primitive teleost fishes
  
• Osteoglossiformes, Order Osteoglossiformes go
  teleost fish with bony tongues
  
• Pediculati, order Pediculati go
  anglers and batfishes
  
• Synentognathi, order Synentognathi go
  order of fishes having spineless fins
  
• Acanthopterygii, superorder Acanthopterygii go
  teleost fishes having fins with sharp bony rays
  
• Perciformes, order Perciformes, Percomorphi, order Percomorphi go
  one of the largest natural groups of fishes of both marine and fresh water: true perches
  
• Percoidea, suborder Percoidea go
  in some classifications nearly or exactly equivalent to the Perciformes which are considered a suborder
  
• Discocephali, order Discocephali go
  small order of fishes comprising the remoras
  
• Mugiloidea, suborder Mugiloidea go
  fishes distinguished by abdominal pelvic fins: families Mugilidae
  
• Blennioidea, suborder Blennioidea go
  blennies
  
• Scombroidea, suborder Scombroidea go
  mackerels
  
• Ganoidei, order Ganoidei go
  a group of mostly extinct primitive bony fishes characterized by armor-like bony scales
  
• Scleroparei, order Scleroparei go
  scorpionfishes
  
• Scorpaenoidea, suborder Scorpaenoidea go
  mail-cheeked fishes: scorpionfishes
  
• Plectognathi, order Plectognathi, order Tetraodontiformes go
  boxfishes
  
• Heterosomata, order Heterosomata, order Pleuronectiformes go
  flatfishes: halibut