Browse by classification

1835 groups · 2986 species in the portal

• −Kingdom Animalia Animals 2964
  • −Phylum Acanthocephala Spiny-Headed Worms 2
    • −Class Eoacanthocephala 2
      • +Order Neoechinorhynchida 2
  • −Phylum Annelida Segmented Worms 81
    • −Class Clitellata Clitellates 81
      • +Order Arhynchobdellida Proboscisless Leeches 2
      • +Order Branchiobdellida Crayfish Worms and Allies 20
      • +Order Crassiclitellata Typical Earthworms 35
      • +Order Haplotaxida Haplotaxid Worms 2
      • +Order Lumbriculida Aquatic Oligochaete Worms 16
      • +Order Rhynchobdellida Jawless Leeches
      • +Order Tubificida Aquatic Oligochaete Worm 6
  • −Phylum Arthropoda Arthropods 2407
    • −Class Branchiopoda Branchiopods 2
      • +Order Anomopoda 1
      • +Order Diplostraca Clam Shrimp and Water Fleas 1
    • −Subphylum Chelicerata Chelicerates 598
      • +Class Arachnida Arachnids 598
    • −Class Copepoda Copepods 2
      • +Order Calanoida 2
    • −Subphylum Crustacea Crustaceans 550
      • +Class Malacostraca Malacostracans 459
      • +Class Maxillopoda Copepods 54
      • +Class Ostracoda Ostracods 37
    • −Subphylum Hexapoda Hexapods 1024
      • +Class Collembola Springtails 223
      • +Class Diplura Diplurans 11
      • +Class Insecta Insects 790
    • −Subphylum Myriapoda Myriapods 231
      • +Class Chilopoda Centipedes 22
      • +Class Diplopoda Millipedes 209
  • −Phylum Chordata Chordates 266
    • −Class Aves Birds 11
      • +Order Accipitriformes Hawks, Eagles, Kites, and Allies 2
      • +Order Columbiformes Pigeons and Doves 1
      • +Order Galliformes Fowls 1
      • +Order Passeriformes Perching Birds 4
      • +Order Steatornithiformes 1
      • +Order Strigiformes Owls 2
    • −Class Mammalia Mammals 74
      • +Order Artiodactyla Even-Toed Ungulates and Cetaceans 3
      • +Order Carnivora Carnivores 15
      • +Order Chiroptera Bats 21
      • +Order Cingulata Armadillos 1
      • +Order Didelphimorphia Opossums 1
      • +Order Eulipotyphla Shrews, Moles, Hedgehogs, and Allies 8
      • +Order Lagomorpha Lagomorphs 2
      • +Order Perissodactyla Odd-Toed Ungulates 1
      • +Order Pilosa Anteaters
      • +Order Rodentia Rodents 22
    • −Class Petromyzonti Lampreys 1
      • +Order Petromyzontiformes Lampreys 1
    • −Class Reptilia Reptiles 32
      • +Order Crocodylia 1
      • +Order Squamata Snakes 25
      • +Order Testudines Turtles and Tortoises 6
    • −Class Teleostei Teleosts 47
      • +Order Acanthuriformes 1
      • +Order Anguilliformes Eels 1
      • +Order Carangiformes 1
      • +Order Centrarchiformes Freshwater Sunfishes, Grunters, and Allies 12
      • +Order Clupeiformes Anchovies 1
      • +Order Cypriniformes Minnows, Suckers, Carpers, and Loaches 19
      • +Order Cyprinodontiformes Rivulines, Killifishes, and Livebearers 4
      • +Order Perciformes Perches, Scorpionfishes, Sticklebacks, and Allies 8
    • −Subphylum Vertebrata Vertebrates 101
      • +Class Actinopterygii Ray-finned Fishes 24
      • +Class Amphibia Amphibians 77
  • −Phylum Cnidaria 1
    • −Class Hydrozoa Hydralike Animals 1
      • +Order Anthoathecata 1
  • −Phylum Mollusca Molluscs 164
    • −Class Bivalvia Bivalves 6
      • +Order Sphaeriida 4
      • +Order Unionoida 1
      • +Order Venerida Venerid Clams 1
    • −Class Gastropoda Gastropods 158
      • +Order Basommatophora 10
      • +Order Cerithiida Cerith Snails 8
      • +Order Cycloneritida 1
      • +Order Littorinimorpha Littorinimorph Snails 41
      • +Order Lymnaeida Elegant Pondsnails 3
      • +Order Stylommatophora Common Land Snails and Slugs 95
  • −Phylum Nematoda Nematodes 1
    • −Class Enoplea Enoplean Nematodes 1
      • +Order Trichocephalida 1
  • −Phylum Nematomorpha Horsehair Worms 1
    • −Class Gordioida Gordian Worms 1
      • +Order Gordioidea Gordian Worms 1
  • −Phylum Nemertea 1
    • −Class Hoplonemertea 1
      • +Order Monostilifera 1
  • −Phylum Platyhelminthes Flatworms 39
    • Class Acentrosomata Flatworms
    • −Class Cestoda Tapeworms 1
      • +Order Proteocephalidea 1
    • −Class Turbellaria Flatworms 38
      • +Order Alloecoela Planarians 1
      • +Order Tricladida Planarians 37
  • −Phylum Porifera 1
    • −Class Demospongiae 1
      • +Order Spongillida 1
• −Kingdom Chromista 7
  • −Phylum Bigyra 1
    • −Class Labyrinthulea 1
      • +Order Piroplasmida 1
  • −Phylum Cercozoa 1
    • −Class Gromiidea 1
      • +Order Gromiida 1
    • −Class Sarcomonadea
      • +Order Cercomonadida
  • −Phylum Chromeridophyta
    • −Class Colpodellophyceae
      • +Order Colpodellales
  • −Phylum Ciliophora 5
    • −Class Oligohymenophorea 3
      • +Order Pleuronematida 1
      • +Order Sessilida 2
    • −Class Phyllopharyngea 2
      • +Order Chlamydodontida 1
      • +Order Endogenida 1
  • −Phylum Heterokontophyta
    • −Class Chrysophyceae
      • +Order Ochromonadales
      • Order Ochromonadlaes
• −Kingdom Protozoa 15
  • −Phylum Amoebozoa 4
    • −Class Tubulinea 4
      • +Order Arcellinida 2
      • +Order Euamoebida 2
  • −Phylum Choanozoa 2
    • −Class Choanoflagellatea 1
      • +Order Craspedida 1
    • −Class Ichthyosporea 1
      • +Order Eccrinales 1
  • −Phylum Euglenozoa 3
    • −Class Euglenida 1
      • +Order Euglenales 1
      • +Order Natomonadida
    • −Class Kinetoplastea 2
      • +Order Bodonida 1
      • +Order Eubodonida 1
  • −Phylum Mycetozoa 6
    • −Class Dictyosteliomycetes 6
      • +Order Acytosteliales 1
      • +Order Dictyosteliales 5