Click the links to browse through the WoRMS marine species taxonomy.
Animalia
  Mollusca
  Porifera
  Platyhelminthes
  Nematoda
  Annelida
  Nemertina
  Arthropoda
    Crustacea
      Remipedia
      Branchiopoda
      Maxillopoda
        Mystacocarida
        Copepoda
          Progymnoplea
          Neocopepoda
            Gymnoplea
            Podoplea
              Cyclopoida
              Harpacticoida
              Poecilostomatoida
              Siphonostomatoida
                Artotrogidae
                Asterocheridae
                Brychiopontiidae
                Caligidae
                Calverocheridae
                Cancerillidae
                Cecropidae
                Dichelesthiidae
                Dinopontiidae
                Dirivultidae
                Entomolepidae
                Eudactylinidae
                Euryphoridae
                Hatschekiidae
                Kroyeriidae
                Lernaeopodidae
                Lernanthropidae
                    Lernanthropus
                      Lernanthropus gisleri
                      Lernanthropus kroyeri
                      Lernanthropus micropterygis
                      Lernanthropus mugilis
                      Lernanthropus scribae
                      Lernanthropus trachuri
                      Lernanthropus tylosuri
                      Lernanthropus vorax
                      Lernanthropus brevis
                      Lernanthropus paralonchuri
                      Lernanthropus abitocephalus
                      Lernanthropus alatus
                      Lernanthropus amplitergum
                      Lernanthropus antofagastiensis
                      Lernanthropus atrox
                      Lernanthropus barnardi
                      Lernanthropus bifidus
                      Lernanthropus brevicephalus
                      Lernanthropus breviculus
                      Lernanthropus cadenati
                      Lernanthropus caesionis
                      Lernanthropus carangis
                      Lernanthropus caudatus
                      Lernanthropus chirocentrosus
                      Lernanthropus chlamydotus
                      Lernanthropus chrysophrys
                      Lernanthropus corniger
                      Lernanthropus corteziensis
                      Lernanthropus cruciatus
                      Lernanthropus decapteri
                      Lernanthropus delamari
                      Lernanthropus dussumieria
                      Lernanthropus ecclesi
                      Lernanthropus eddiwarneri
                      Lernanthropus engraulis
                      Lernanthropus foliaceus
                      Lernanthropus forficatus
                      Lernanthropus francai
                      Lernanthropus frondens
                      Lernanthropus gazzis
                      Lernanthropus gibbosus
                      Lernanthropus grassei
                      Lernanthropus guacoldae
                      Lernanthropus heteropodus
                      Lernanthropus hirsutus
                      Lernanthropus huamani
                      Lernanthropus ilishae
                      Lernanthropus kanagurta
                      Lernanthropus lappaceus
                      Lernanthropus latesi
                      Lernanthropus latis
                      Lernanthropus leidyi
                      Lernanthropus leiognathi
                      Lernanthropus lichiae
                      Lernanthropus longilamina
                      Lernanthropus longipes
                      Lernanthropus manicatus
                      Lernanthropus microlamini
                      Lernanthropus mitratus
                      Lernanthropus mollis
                      Lernanthropus monodi
                      Lernanthropus nemipteri
                      Lernanthropus nudus
                      Lernanthropus nunesi
                      Lernanthropus oblongus
                      Lernanthropus obscurus
                      Lernanthropus opisthopteri
                      Lernanthropus otolithi
                      Lernanthropus pacificus
                      Lernanthropus paenulatus
                      Lernanthropus pami
                      Lernanthropus paradoxus
                      Lernanthropus polynemi
                      Lernanthropus pomadasysis
                      Lernanthropus priacanthi
                      Lernanthropus rathbuni
                      Lernanthropus robustus
                      Lernanthropus rubiginosus
                      Lernanthropus sanguineus
                      Lernanthropus sarbae
                      Lernanthropus sciaeni
                      Lernanthropus secutoris
                      Lernanthropus sillaginis
                      Lernanthropus sphyraenae
                      Lernanthropus spiculatus
                      Lernanthropus talipes
                      Lernanthropus theodori
                      Lernanthropus thompsoni
                      Lernanthropus togatus
                      Lernanthropus triangularis
                      Lernanthropus trifoliatus
                      Lernanthropus villiersi
                      Lernanthropus wilsoni
                      Lernanthropus belones
                      Lernanthropus brevoortiae
                      Lernanthropus cornutus
                      Lernanthropus giganteus
                      Lernanthropus holmbergii
                      Lernanthropus koenigii
                      Lernanthropus larvatus
                      Lernanthropus lativentris
                      Lernanthropus musca
                      Lernanthropus nobilis
                      Lernanthropus nordmanni
                      Lernanthropus pagelli
                      Lernanthropus pagodus
                      Lernanthropus percis
                      Lernanthropus pomatomi
                      Lernanthropus pristipomoides
                      Lernanthropus pupa
                      Lernanthropus quadratus
                      Lernanthropus seriolae
                      Lernanthropus shishidoi
                      Lernanthropus tenuis
                      Lernanthropus tetradactylus
                      Lernanthropus trigonocephalus
                      Lernanthropus angulatus
                      Lernanthropus brevicornutus
                      Lernanthropus indicus
                      Lernanthropus mugilii
                      Lernanthropus temminckii
                      Lernanthropus capistroides
                      Lernanthropus cynoscicola
                      Lernanthropus senegalensis
                      Lernanthropus toguebayei
                      Lernanthropus hiatus
                      Lernanthropus delamarei
                      Lernanthropus pillaii
                      Lernanthropus equulus
                      Lernanthropus chacchi
                      Lernanthropus foliaceus
                      Lernanthropus incilis
                      Lernanthropus callionymicola
                    Aethon
                    Epachthes
                    Lernanthropinus
                    Lernanthropodes
                    Lernanthropsis
                    Mitrapus
                    Norion
                    Paralernanthropus
                    Parlernanthropus
                    Sagum
                    Sanya
                    Slatagmus
                Megapontiidae
                Micropontiidae
                Nanaspididae
                Nicothoidae
                Pandaridae
                Pennellidae
                Pontoeciellidae
                Pseudocycnidae
                Rataniidae
                Sphyriidae
                Sponginticolidae
                Spongiocnizontidae
                Trebiidae
                Ascomyzontidae
                Calvocheridae
                Dissonidae
                Naobranchiidae
                Pennillidae
                Pontopsyllidae
                Amaterasidae
                Choniostomatidae
                Pseudohatschekiidae
              Monstrilloida
              Misophrioida
              Mormonilloida
          Thaumatopsylloida
        Branchiura
        Tantulocarida
        Thecostraca
        Pentastomida
      Malacostraca
      Ostracoda
      Pentastomata
    Chelicerata
    Myriapoda
    Hexapoda
  Ctenophora
  Cnidaria
  Sipuncula
  Echiura
  Pogonophora
  Entoprocta
  Tardigrada
  Phoronida
  Brachiopoda
  Echinodermata
  Hemichordata
  Chordata
  Gastrotricha
  Chaetognatha
  Ectoprocta
  Mesozoa
  Rotifera
  Gnathostomulida
  Acanthocephala
  Cycliophora
  Cephalorhyncha
  Placozoa
  Bryozoa
  Myxozoa
  Sipunculida
  Pentastomida
  Nemertini
Plantae
Fungi
Protozoa
Bacteria
Chromista
Archaea
Viruses
Monera