Click the links to browse through the WoRMS marine species taxonomy.
Animalia
  Mollusca
  Porifera
  Platyhelminthes
  Nematoda
  Annelida
  Nemertina
  Arthropoda
  Ctenophora
  Cnidaria
  Sipuncula
  Echiura
  Pogonophora
  Entoprocta
  Tardigrada
  Phoronida
  Brachiopoda
  Echinodermata
  Hemichordata
  Chordata
    Urochordata
    Cephalochordata
    Vertebrata
      Gnathostomata
        Tetrapoda
        Pisces
          Elasmobranchii
          Actinopterygii
            Acipenseriformes
            Elopiformes
            Notacanthiformes
            Anguilliformes
            Saccopharyngiformes
            Clupeiformes
            Osmeriformes
            Salmoniformes
            Stomiiformes
            Ateleopodiformes
            Aulopiformes
            Myctophiformes
            Lampriformes
            Polymixiiformes
            Gadiformes
            Ophidiiformes
            Batrachoidiformes
            Lophiiformes
            Gobiesociformes
            Atheriniformes
            Cyprinodontiformes
            Beloniformes
            Stephanoberyciformes
            Beryciformes
            Cetomimiformes
            Gasterosteiformes
            Syngnathiformes
            Scorpaeniformes
            Pleuronectiformes
            Tetraodontiformes
            Zeiformes
            Perciformes
              Acanthuridae
              Ammodytidae
              Anarhichadidae
              Apogonidae
              Blenniidae
              Bramidae
              Callanthiidae
              Callionymidae
              Carangidae
              Caristiidae
              Centracanthidae
              Centrolophidae
              Cepolidae
              Chaetodontidae
                  Chaetodon
                    Chaetodon hoefleri
                    Chaetodon robustus
                    Chaetodon capistratus
                    Chaetodon ocellatus
                    Chaetodon striatus
                    Chaetodon larvatus
                    Chaetodon ulietensis
                    Chaetodon trifascialis
                    Chaetodon xanthocephalus
                    Chaetodon guttatissimus
                    Chaetodon mitratus
                    Chaetodon jayakari
                    Chaetodon oxycephalus
                    Chaetodon falcula
                    Chaetodon dolosus
                    Chaetodon auriga
                    Chaetodon madagaskariensis
                    Chaetodon austriacus
                    Chaetodon lunula
                    Chaetodon lineolatus
                    Chaetodon bennetti
                    Chaetodon fasciatus
                    Chaetodon kleinii
                    Chaetodon mesoleucos
                    Chaetodon speculum
                    Chaetodon trifasciatus
                    Chaetodon semilarvatus
                    Chaetodon melannotus
                    Chaetodon citrinellus
                    Chaetodon miliaris
                    Chaetodon octofasciatus
                    Chaetodon paucifasciatus
                    Chaetodon triangulum
                    Chaetodon selene
                    Chaetodon leucopleura
                    Chaetodon melapterus
                    Chaetodon meyeri
                    Chaetodon unimaculatus
                    Chaetodon vagabundus
                    Chaetodon marleyi
                    Chaetodon ocellicaudus
                    Chaetodon blackburnii
                    Chaetodon sedentarius
                    Chaetodon adiergastos
                    Chaetodon andamanensis
                    Chaetodon argentatus
                    Chaetodon assarius
                    Chaetodon aureofasciatus
                    Chaetodon auripes
                    Chaetodon baronessa
                    Chaetodon burgessi
                    Chaetodon collare
                    Chaetodon daedalma
                    Chaetodon declivis
                    Chaetodon decussatus
                    Chaetodon dialeucos
                    Chaetodon ephippium
                    Chaetodon excelsa
                    Chaetodon flavirostris
                    Chaetodon flavocoronatus
                    Chaetodon fremblii
                    Chaetodon gardineri
                    Chaetodon guentheri
                    Chaetodon hemichrysus
                    Chaetodon humeralis
                    Chaetodon interruptus
                    Chaetodon litus
                    Chaetodon mertensii
                    Chaetodon modestus
                    Chaetodon multicinctus
                    Chaetodon nigropunctatus
                    Chaetodon nippon
                    Chaetodon ornatissimus
                    Chaetodon pelewensis
                    Chaetodon plebeius
                    Chaetodon punctatofasciatus
                    Chaetodon quadrimaculatus
                    Chaetodon rafflesii
                    Chaetodon rainfordi
                    Chaetodon reticulatus
                    Chaetodon sanctaehelenae
                    Chaetodon semeion
                    Chaetodon smithi
                    Chaetodon tinkeri
                    Chaetodon trichrous
                    Chaetodon tricinctus
                    Chaetodon wiebeli
                    Chaetodon xanthurus
                    Chaetodon zanzibarensis
                    Chaetodon dahli
                    Chaetodon luridi
                    Chaetodon princeps
                    Chaetodon sebae
                    Chaetodon umbratus
                    Chaetodon lunulatus
                    Chaetodon dorsiocellatus
                  Prognathodes
                  Amphichaetodon
                  Chelmonops
                  Coradion
                  Johnrandallia
                  Parachaetodon
                  Anisochaetodon
                  Bauchotia
                  Chaethodon
                  Chelmo
                  Citharoedus
                  Eteira
                  Linophora
                  Loa
                  Paracanthochaetodon
                  Pseudochaetodon
                  Roa
                  Sarothrodus
                  Taurichthys
                  Tetragnoptrus
                  Tetragonoptrus
                  Foreipiger
                  Hemitaurichtys
                  Johnrandalia
                  Megapotodon
                  Cahetodon
                  Chaelmo
              Chiasmodontidae
              Clinidae
              Coryphaenidae
              Draconettidae
              Echeneidae
              Emmelichthyidae
              Epigonidae
              Gempylidae
              Gobiidae
              Haemulidae
              Istiophoridae
              Kyphosidae
              Labridae
              Leiognathidae
              Lobotidae
              Luvaridae
              Moronidae
              Mullidae
              Nomeidae
              Percichthyidae
              Pholidae
              Polynemidae
              Polyprionidae
              Pomacentridae
              Pomatomidae
              Priacanthidae
              Rachycentridae
              Scaridae
              Sciaenidae
              Scombridae
              Scombrolabracidae
              Serranidae
              Siganidae
              Sillaginidae
              Sparidae
              Sphyraenidae
              Stichaeidae
              Stromateidae
              Terapontidae
              Tetragonuridae
              Trachinidae
              Trichiuridae
              Tripterygiidae
              Uranoscopidae
              Xiphiidae
              Zoarcidae
              Caproidae
              Ephippidae
              Ariommatidae
              Centropomidae
              Pseudochromidae
              Malacanthidae
              Lutjanidae
              Gerreidae
              Coracinidae
              Monodactylidae
              Elassomatidae
            Mugiliformes
          Holocephali
      Agnatha
    Tunicata
  Gastrotricha
  Chaetognatha
  Ectoprocta
  Mesozoa
  Rotifera
  Gnathostomulida
  Acanthocephala
  Cycliophora
  Cephalorhyncha
  Placozoa
  Bryozoa
  Myxozoa
  Sipunculida
  Pentastomida
  Nemertini
Plantae
Fungi
Protozoa
Bacteria
Chromista
Archaea
Viruses
Monera