Click the links to browse through the WoRMS marine species taxonomy.
Animalia
  Mollusca
  Porifera
  Platyhelminthes
  Nematoda
  Annelida
  Nemertina
  Arthropoda
    Crustacea
      Remipedia
      Branchiopoda
      Maxillopoda
      Malacostraca
        Eumalacostraca
          Eucarida
          Peracarida
            Isopoda
              Anthuridea
              Asellota
              Epicaridea
              Flabellifera
              Gnathiidea
              Microcerberidea
              Valvifera
              Oniscidea
                Scyphacidae
                Halophilosciidae
                Ligiidae
                Oniscidae
                Tylidae
                Armadillidiidae
                Ligiamorpha
                Trichoniscidae
                Philosciidae
                    Littorophiloscia
                    Philoscia
                    Abebaioscia
                    Adeloscia
                    Alboscia
                    Anaphiloscia
                    Anchiphiloscia
                    Andenoniscus
                    Andricophiloscia
                    Androdeloscia
                    Aphiloscia
                    Arcangeloscia
                    Archaeoscia
                    Arhina
                    Ashtonia
                    Atlantoscia
                    Australophiloscia
                    Baconaoscia
                    Barnardoscia
                    Benthana
                    Benthanoides
                    Benthanops
                    Benthanoscia
                    Brackenphiloscia
                    Burmoniscus
                    Caraiboscia
                    Chaetophiloscia
                    Colombophiloscia
                    Congophiloscia
                    Ctenoscia
                    Cubanophiloscia
                    Dekanoscia
                    Didima
                    Ecuadoroniscus
                    Erophiloscia
                    Eurygastor
                    Floridoscia
                    Formicascia
                    Gabunoscia
                    Hawaiioscia
                    Heroldia
                    Hoctunus
                    Huntonia
                    Isabelloscia
                    Ischioscia
                    Javanoscia
                    Jimenezia
                    Laevophiloscia
                    Leonoscia
                    Lepidoniscus
                    Leptophiloscia
                    Leucophiloscia
                    Loboscia
                    Metaprosekia
                    Metriogastor
                    Microphiloscia
                    Mirtana
                    Nahia
                    Nataloniscus
                    Natalscia
                    Nesoniscus
                    Nesophiloscia
                    Okeaninoscia
                    Oniscophiloscia
                    Oreades
                    Oroscia
                    Oxalaniscus
                    Pacroscia
                    Palaioscia
                    Papuaphiloscia
                    Parachaetophiloscia
                    Paraguascia
                    Parapacroscia
                    Paraphiloscia
                    Parischioscia
                    Pentoniscus
                    Perinetia
                    Philoscina
                    Platycytoniscus
                    Pleopodoscia
                    Plumasicola
                    Plymophiloscia
                    Portoricoscia
                    Prosekia
                    Pseudophiloscia
                    Pseudosetaphora
                    Pseudotyphloscia
                    Puteoscia
                    Quintanoscia
                    Roramoscia
                    Rostrophiloscia
                    Sechelloscia
                    Serendibia
                    Setaphora
                    Sinhaloscia
                    Stenopleonoscia
                    Stephenoscia
                    Sulesoscia
                    Tenebrioscia
                    Thomasoniscus
                    Tiroloscia
                    Togoscia
                    Tongoscia
                    Trichophiloscia
                    Troglophiloscia
                    Tropicana
                    Tropiscia
                    Uluguroscia
                    Vandelophiloscia
                    Wahrbergia
                    Xiphoniscus
                    Yaerikima
                    Zebrascia
                Scleropactidae
                Actaeciidae
                Agnaridae
                Alloniscidae
                Armadillidae
                Balloniscidae
                Bathytropidae
                Berytoniscidae
                Buddelundiellidae
                Cylisticidae
                Delatorreidae
                Detonidae
                Dubioniscidae
                Eubelidae
                Hekelidae
                Irmaosidae
                Meoniscidae
                Olibrinidae
                Platyarthridae
                Porcellionidae
                Pudeoniscidae
                Rhyscotidae
                Schoebliidae
                Scleropactidae
                Spelaeoniscidae
                Stenoniscidae
                Styloniscidae
                Tendosphaeridae
                Titaniidae
                Trachelipodidae
                Turanoniscidae
            Tanaidacea
            Amphipoda
            Cumacea
            Thermosbaenacea
            Mysidacea
            Mysida
            Lophogastrida
            Anisopoda
        Hoplocarida
      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