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
              Calanoida
                Acartiidae
                  Acartia
                    Acartia adriatica
                    Acartia bifilosa
                    Acartia centrura
                    Acartia clausi
                    Acartia danae
                    Acartia discaudata
                    Acartia enzoi
                    Acartia fossae
                    Acartia italica
                    Acartia longiremis
                    Acartia margalefi
                    Acartia negligens
                    Acartia plumosa
                    Acartia teclae
                    Acartia tonsa
                    Acartia (Acartia)
                    Acartia (Hypoacartia)
                        Acartia (Hypoacartia) macropus
                        Acartia (Hypoacartia) adriatica
                    Acartia (Acartiura)
                    Acartia (Acanthacartia)
                    Acartia intermedia
                    Acartia forcipata
                    Acartia hudsonica
                    Acartia tumida
                    Acartia amboinensis
                    Acartia bispinosa
                    Acartia natalensis
                    Acartia pietschmani
                    Acartia grani
                    Acartia australis
                    Acartia bilobata
                    Acartia bowmani
                    Acartia (Euacartia)
                    Acartia (Odontacartia)
                    Acartia africana
                    Acartia bacorehuisensis
                    Acartia baylyi
                    Acartia bermudensis
                    Acartia californiensis
                    Acartia chilkaensis
                    Acartia denticornis
                    Acartia dweepi
                    Acartia ensifera
                    Acartia erythraea
                    Acartia fancetti
                    Acartia fariai
                    Acartia floridana
                    Acartia giesbrechti
                    Acartia gracilis
                    Acartia hamata
                    Acartia iseana
                    Acartia japonica
                    Acartia jilletti
                    Acartia josephinae
                    Acartia latisetosa
                    Acartia lefevreae
                    Acartia levequei
                    Acartia lilljeborgii
                    Acartia longipatella
                    Acartia longisetosa
                    Acartia mediterranea
                    Acartia nana
                    Acartia omorii
                    Acartia pacifica
                    Acartia pietschmanni
                    Acartia ransoni
                    Acartia remivagantis
                    Acartia simplex
                    Acartia sinjiensis
                    Acartia southwelli
                    Acartia spinata
                    Acartia spinicauda
                    Acartia steueri
                    Acartia tokiokai
                    Acartia tortaniformis
                    Acartia tranteri
                    Acartia tropica
                    Acartia tsuensis
                    Acartia verrucosa
                    Acartia asymmetrica
                    Acartia dubia
                    Acartia gravelyi
                    Acartia kempi
                    Acartia keralensis
                    Acartia laxa
                    Acartia limpida
                    Acartia macropus
                    Acartia major
                    Acartia minor
                    Acartia seshaiyai
                    Acartia sewelli
                    Acartia sarojus
                    Acartia hongi
                    Acartia lillgeborgii
                    Acartia mossi
                    Acartia ponteloides
                    Acartia ohtsukai
                    Acartia clausii
                    Acartia (Acartiella)
                    Acartia mollicula
                    Acartia eremeevi
                  Paracartia
                  Pteriacartia
                  Acartiella
                  Dias
                  Hypoacartia
                  Mesqueria
                Aetideidae
                Arietellidae
                Augaptilidae
                Bathypontiidae
                Calanidae
                Candaciidae
                Centropagidae
                Clausocalanidae
                Diaixidae
                Discoidae
                Eucalanidae
                Euchaetidae
                Heterorhabdidae
                Lucicutiidae
                Mecynoceridae
                Megacalanidae
                Mesaiokeratidae
                Metridinidae
                Paracalanidae
                Parapontellidae
                Phaennidae
                Phyllopodidae
                Pontellidae
                Pseudocyclopidae
                Pseudocyclopiidae
                Pseudodiaptomidae
                Ridgewayiidae
                Ryocalanidae
                Scolecitrichidae
                Spinocalanidae
                Stephidae
                Temoridae
                Tharybidae
                Pseudocalanidae
                Calocalanidae
                Nullosetigeridae
                Rhincalanidae
                Kyphocalanidae
                Rostrocalanidae
            Podoplea
          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