List Of Biological Orders

this is a work-in-progress: please use the same layout as the entries below for new additions

Animalia (Animals)

Phylum Chordata

Class Acanthodii - extinct

Class Actinistia (coelacanths)

Class Actinopterygii (ray-finned fish)

Class Amphibia (amphibians)

• Urodela or Caudata (salamanders)
• Anura (frogs and toads)
• Gymnophiona or Apoda (caecilians)

Class Ascidiacea (ascideans and sessile tunicates)

• Enterogona
• Pleurogona
• Aspiraculata
• Phlebobranchia
• Aplousobranchia
• Stalidobranchia

Class Aves (birds)

• Struthioniformes, Ostrich, emus, kiwis, and allies
• Tinamiformes, tinamous
• Sphenisciformes, penguins
• Gaviiformes, loons
• Podicipediformes, grebes
• Procellariiformes, albatrosses, petrels, and allies
• Pelecaniformes, pelicans and allies
• Ciconiiformes, storks and allies
• Phoenicopteriformes, flamingos
• Anseriformes, waterfowl
• Accipitriformes, eagles, hawks and allies (taxonomists have traditionally placed these groups in the Falconiformes)
• Falconiformes, falcons
• Galliformes, fowl
• Turniciformes, button-quail
• Opisthocomiformes, Hoatzin (this enigmatic bird was traditionally treated as a family within either the Galliformes or Cuculiformes)
• Gruiformes, cranes and allies
• Charadriiformes, plovers and allies
• Pterocliformes, sandgrouse (this enigmatic group was traditionally treated as a family in any of three different orders: Charadriiformes, Ciconiiformes, and Columbiformes)
• Columbiformes, doves and pigeons
• Psittaciformes, parrots and allies
• Cuculiformes, cuckoos
• Strigiformes, owls
• Caprimulgiformes, nightjars and allies
• Apodiformes, swifts
• Coliiformes, mousebirds
• Trogoniformes, trogons
• Coraciiformes, kingfishers
• Galbuliformes, jacamars and puffbirds (these groups were traditionally treated as families in the order Piciformes)
• Piciformes, woodpeckers and allies
• Passeriformes, passerines

Class Chondrichthyes (cartilagenous fish)

• Chimaeriformes: chimaeras
• Heterodontiformes: bullhead sharks
• Orectolobiformes: carpet sharks
• Carcharhiniformes: ground sharks
• Lamniformes: mackerel sharks
• Hexanchiformes: frilled and cow sharks
• Squaliformes: dogfish sharks
• Squatiniformes: angel sharks
• Pristiophoriformes: saw sharks
• Rajiformes: rays and skates

Class Dipnoi (lungfish)

Class Larvacea

Class Mammalia (mammals)

• Monotremata: monotremes
• Didelphimorphia: opossums
• Paucituberculata: rat opossums
• Microbiotheria: Monito del Monte
• Dasyuromorphia: marsupial carnivores
• Peramelemorphia: marsupial omnivores
• Notoryctemorphia: marsupial moles
• Diprotodontia: marsupial herbivores; kangaroos, wallabies, possums and allies
• Afrosoricida: tenrecs and golden moles
• Macroscelidea: elephant shrews
• Tubulidentata: Aardvark
• Hyracoidea: hyraxes
• Proboscidea: elephants
• Sirenia: manatees and dugongs
• Xenarthra (formerly Edentata): sloths, armadillos and anteaters
• Dermoptera: colugos
• Scandentia: tree shrews
• Primates: monkeys, apes and allies
• Rodentia: rodents
• Lagomorpha: rabbits, hares and pikas
• Insectivora: shrews, moles, hedgehogs
• Chiroptera: bats
• Pholidota: pangolins
• Carnivora: carnivores; cats, dogs, bears, seals, sea lions and others
• Perissodactyla: odd-toed ungulates; horses, rhinos, tapirs
• Artiodactyla: even-toed ungulates: antelopes, cattle, giraffes, camels, pigs, hippos, sheep, goats
• Cetacea: whales, dolphins, and porpoises

Class Petromyzontida (lampreys)

Class Placodermi - extinct

Class Reptilia (reptiles)

• Crocodilia (Crocodilians)
• Rhynchocephalia (Tuataras)
• Squamata (Lizards, Snakes)
• Testudines (Turtles and their kin)

Class Thaliacea (pelagic tunicates)

• Doliolida
• Pyrosomida

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