Click the links to browse through the WoRMS marine species taxonomy.
Animalia
Plantae
  Chrysophyta
  Prasinophyta
  Euglenophyta
  Prymnesiophyta
  Biliphyta
  Viridaeplantae
    Chlorophyta
      Chlorophyceae
      Prasinophyceae
      Ulvophyceae
      Trebouxiophyceae
      Bryopsidophyceae
        Bryopsidales
          Bryopsidaceae
          Derbesiaceae
          Caulerpaceae
          Chaetosiphonaceae
          Udoteaceae
          Codiaceae
              Codium
                Codium adhaerens
                Codium bursa
                Codium carolinanum
                Codium cattaniae
                Codium coralloides
                Codium decorticatum
                Codium effusum
                Codium elisabethae
                Codium fragile
                Codium guineense
                Codium intertextum
                Codium lucasii
                Codium repens
                Codium taylorii
                Codium tomentosum
                Codium vermilara
                Codium megalophysum
                Codium extricatum
                Codium stephensiae
                Codium madagascariense
                Codium pocockiae
                Codium indicum
                Codium prostratum
                Codium pelliculare
                Codium incognitum
                Codium acuminatum
                Codium platylobium
                Codium tenue
                Codium formosanum
                Codium spongiosum
                Codium bartlettii
                Codium papenfussii
                Codium ovale
                Codium geppiorum
                Codium mozambiquense
                Codium mamillosum
                Codium cicatrix
                Codium arabicum
                Codium capitatum
                Codium dwarkense
                Codium australicum
                Codium dichotomum
                Codium galeatum
                Codium harveyi
                Codium perriniae
                Codium pomoides
                Codium duthieae
                Codium isaacii
                Codium coactum
                Codium intricatum
                Codium subtubulosum
                Codium saccatum
                Codium barbatum
                Codium setchellii
                Codium contractum
                Codium cylindricum
                Codium hubbsii
                Codium latum
                Codium minus
                Codium minutissimum
                Codium yezoense
                Codium platyclados
                Codium cuneatum
                Codium johnstonei
                Codium carolinianum
                Codium gracile
                Codium cranwelliae
                Codium convolutum
                Codium dimorphum
                Codium subantarcticum
                Codium isthmocladum
                Codium ritteri
                Codium papillatum
                Codium edule
                Codium pugniforme
                Codium tunue
                Codium globosum
                Codium flabellatum
                Codium laminarioides
                Codium muelleri
                Codium spinescens
                Codium silvae
                Codium reediae
                Codium capitulatum
                Codium giraffa
                Codium simulans
                Codium conjunctum
                Codium reductum
                Codium amplivesiculatum
                Codium unilaterale
                Codium longiramosum
                Codium anastomosans
                Codium brandegeei
                Codium cervicorne
                Codium santamariae
                Codium isabelae
                Codium fernandezianum
                Codium foveolatum
                Codium dawsonii
                Codium distichium
                Codium picturatum
                Codium saifullahii
                Codium schmiederi
                Codium shameelii
                Codium tobrukense
                Codium sursum
                Codium campanulatum
                Codium desultorium
                Codium hawaiiense
                Codium intermedium
                Codium phasmaticum
                Codium cerebriforme
                Codium peruvianum
                Codium afaqhusainii
                Codium aliyae
                Codium arenicola
                Codium bilobum
                Codium boergesenii
                Codium faridii
                Codium fastigiatum
                Codium fimbriatum
                Codium gerloffii
                Codium hawkesbayense
                Codium islamii
                Codium laevigatum
                Codium magnum
                Codium manorense
                Codium pakistanicum
                Codium profundum
                Codium pseudolatum
                Codium robustum
                Codium scindicola
                Codium skottsbergianum
                Codium gongylocephalum
                Codium reversum
                Codium bulbopilum
                Codium nanwanense
                Codium kajimurae
                Codium elisabethiae
                Codium guineënse
                Codium parvulum
                Codium macdougalii
                Codium palmeri
              Arabicodium
              Callipsygma
              Geppella
          Dichotomosiphonaceae
          Halimedaceae
          Ostreobiaceae
          Pseudocodiaceae
      Nephroselmidophyceae
      Pedinophyceae
      Pleurastrophyceae
    Charophyta
    Chlorarachniophyta
    Tracheophyta
Fungi
Protozoa
Bacteria
Chromista
Archaea
Viruses
Monera