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
              Myctophidae
                Benthosema
                Bolinichthys
                Centrobranchus
                Ceratoscopelus
                Diaphus
                    Diaphus adenomus
                    Diaphus bertelseni
                    Diaphus brachycephalus
                    Diaphus dumerilii
                    Diaphus effulgens
                    Diaphus holti
                    Diaphus lucidus
                    Diaphus metopoclampus
                    Diaphus mollis
                    Diaphus rafinesquii
                    Diaphus subtilis
                    Diaphus termophilus
                    Diaphus fragilis
                    Diaphus garmani
                    Diaphus luetkeni
                    Diaphus perspicillatus
                    Diaphus problematicus
                    Diaphus roei
                    Diaphus splendidus
                    Diaphus taaningi
                    Diaphus nielseni
                    Diaphus jenseni
                    Diaphus ostenfeldi
                    Diaphus knappi
                    Diaphus richardsoni
                    Diaphus meadi
                    Diaphus signatus
                    Diaphus aliciae
                    Diaphus diadematus
                    Diaphus watasei
                    Diaphus fulgens
                    Diaphus hudsoni
                    Diaphus malayanus
                    Diaphus parri
                    Diaphus anderseni
                    Diaphus antonbruuni
                    Diaphus arabicus
                    Diaphus basileusi
                    Diaphus burtoni
                    Diaphus chrysorhynchus
                    Diaphus coeruleus
                    Diaphus confusus
                    Diaphus dahlgreni
                    Diaphus danae
                    Diaphus dehaveni
                    Diaphus diademophilus
                    Diaphus drachmanni
                    Diaphus ehrhorni
                    Diaphus faustinoi
                    Diaphus gigas
                    Diaphus handi
                    Diaphus impostor
                    Diaphus kapalae
                    Diaphus kora
                    Diaphus kuroshio
                    Diaphus lobatus
                    Diaphus longleyi
                    Diaphus lucifrons
                    Diaphus mascarensis
                    Diaphus megalops
                    Diaphus minax
                    Diaphus pacificus
                    Diaphus pallidus
                    Diaphus parini
                    Diaphus phillipsi
                    Diaphus regani
                    Diaphus rivatoni
                    Diaphus sagamiensis
                    Diaphus schmidti
                    Diaphus similis
                    Diaphus suborbitalis
                    Diaphus theta
                    Diaphus thiollierei
                    Diaphus trachops
                    Diaphus umbroculus
                    Diaphus vanhoeffeni
                    Diaphus whitleyi
                    Diaphus wisneri
                Diogenichthys
                Electrona
                Gonichthys
                Hygophum
                Lampadena
                Lampanyctus
                Lepidophanes
                Lobiancha
                Loweina
                Myctophum
                Notolychnus
                Notoscopelus
                Protomyctophum
                Symbolophorus
                Taaningichthys
                Lampanyctinae
                Parvilux
                Tarletonbeania
                Aethoprora
                Alysia
                Collettia
                Ctenoscopelus
                Dasyscopelus
                Diogenys
                Dorsadena
                Hierops
                Macrostoma
                Nanobrachium
                Nasolychnus
                Notoscopellus
                Nyctophus
                Paralampanyctus
                Rhinoscopelus
                Serpa
                Serpe
                Vestula
                Myctophinae
                Diogenichthye
                Lampanctus
                Lampanictus
                Lebianchia
                Myctoophum
                Bentosema
                Triphotorus
              Neoscopelidae
            Lampriformes
            Polymixiiformes
            Gadiformes
            Ophidiiformes
            Batrachoidiformes
            Lophiiformes
            Gobiesociformes
            Atheriniformes
            Cyprinodontiformes
            Beloniformes
            Stephanoberyciformes
            Beryciformes
            Cetomimiformes
            Gasterosteiformes
            Syngnathiformes
            Scorpaeniformes
            Pleuronectiformes
            Tetraodontiformes
            Zeiformes
            Perciformes
            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