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
            Euphausiacea
            Amphionidacea
            Decapoda
              Dendrobranchiata
              Pleocyemata
                Anomura
                Brachyura
                Caridea
                  Alpheoidea
                  Bresilioidea
                  Campylonotoidea
                  Crangonoidea
                  Nematocarcinoidea
                  Oplophoroidea
                  Palaemonoidea
                    Gnathophyllidae
                    Palaemonidae
                      Pontoniinae
                          Balssia
                          Palaemonella
                          Periclimenes
                            Periclimenes aegylios
                            Periclimenes amethysteus
                            Periclimenes calmani
                            Periclimenes eleftherioui
                            Periclimenes granulatus
                            Periclimenes kornii
                            Periclimenes sagittifer
                            Periclimenes scriptus
                            Periclimenes wirtzi
                            Periclimenes mahei
                            Periclimenes ornatus
                            Periclimenes commensalis
                            Periclimenes soror
                            Periclimenes jugalis
                            Periclimenes lepidus
                            Periclimenes imperator
                            Periclimenes perlucidus
                            Periclimenes lanipes
                            Periclimenes inornatus
                            Periclimenes incertus
                            Periclimenes diversipes
                            Periclimenes obscurus
                            Periclimenes toloensis
                            Periclimenes compressus
                            Periclimenes rex
                            Periclimenes difficilis
                            Periclimenes brevicarpalis
                            Periclimenes batei
                            Periclimenes latipollex
                            Periclimenes zevinae
                            Periclimenes brucei
                            Periclimenes zanzibaricus
                            Periclimenes pholeter
                            Periclimenes gonioporae
                            Periclimenes kempi
                            Periclimenes watamuae
                            Periclimenes platalea
                            Periclimenes delagoae
                            Periclimenes affinis
                            Periclimenes alcocki
                            Periclimenes cristimanus
                            Periclimenes digitalis
                            Periclimenes hertwigi
                            Periclimenes investigatoris
                            Periclimenes madreporae
                            Periclimenes ornatellus
                            Periclimenes perturbans
                            Periclimenes sinensis
                            Periclimenes thermohydrophilus
                            Periclimenes kobayashii
                            Periclimenes sarasvati
                            Periclimenes adularens
                            Periclimenes paulsoni
                            Periclimenes chacei
                            Periclimenes speciosus
                            Periclimenes fenneri
                            Periclimenes tangeroa
                            Periclimenes grandidens
                            Periclimenes siankaanensis
                            Periclimenes manihine
                            Periclimenes mclaughlinae
                            Periclimenes acanthimerus
                            Periclimenes dardanicola
                            Periclimenes crosnieri
                            Periclimenes forgesi
                            Periclimenes loyautensis
                            Periclimenes paralcocki
                            Periclimenes paraleator
                            Periclimenes pseudalcocki
                            Periclimenes jackhintoni
                            Periclimenes harringtoni
                            Periclimenes iridescens
                            Periclimenes magnus
                            Periclimenes pandionis
                            Periclimenes patae
                            Periclimenes perryae
                            Periclimenes rathbunae
                            Periclimenes yucatanicus
                            Periclimenes albatrossae
                            Periclimenes albolineatus
                            Periclimenes aleator
                            Periclimenes alexanderi
                            Periclimenes andresi
                            Periclimenes antipathophilus
                            Periclimenes boucheti
                            Periclimenes bowmani
                            Periclimenes brevinaris
                            Periclimenes brevirostris
                            Periclimenes burrup
                            Periclimenes calcaratus
                            Periclimenes canalinsulae
                            Periclimenes cannaphilus
                            Periclimenes carinidactylus
                            Periclimenes colemani
                            Periclimenes colesi
                            Periclimenes coriolis
                            Periclimenes crinoidalis
                            Periclimenes curvirostris
                            Periclimenes dentidactylus
                            Periclimenes exederens
                            Periclimenes finlayi
                            Periclimenes forcipulatus
                            Periclimenes foresti
                            Periclimenes foveolatus
                            Periclimenes fujinoi
                            Periclimenes granulimanus
                            Periclimenes granuloides
                            Periclimenes guarapari
                            Periclimenes hongkongensis
                            Periclimenes hydrothermophilus
                            Periclimenes infraspinis
                            Periclimenes ingressicolumbi
                            Periclimenes involens
                            Periclimenes ischiospinosus
                            Periclimenes josephi
                            Periclimenes kallisto
                            Periclimenes laccadivensis
                            Periclimenes laevimanus
                            Periclimenes leptodactylus
                            Periclimenes leptopus
                            Periclimenes leptunguis
                            Periclimenes longimanus
                            Periclimenes longipes
                            Periclimenes macrophthalmus
                            Periclimenes maldivensis
                            Periclimenes mclellandi
                            Periclimenes meyeri
                            Periclimenes milleri
                            Periclimenes murcielagensis
                            Periclimenes nevillei
                            Periclimenes ngi
                            Periclimenes nomadophila
                            Periclimenes novaffinis
                            Periclimenes ordinarius
                            Periclimenes paivai
                            Periclimenes panglaonis
                            Periclimenes paraparvus
                            Periclimenes parvispinatus
                            Periclimenes parvus
                            Periclimenes pauper
                            Periclimenes pectiniferus
                            Periclimenes pectinipes
                            Periclimenes platydactylus
                            Periclimenes platyrhynchus
                            Periclimenes polynesiensis
                            Periclimenes poriphilus
                            Periclimenes poupini
                            Periclimenes rectirostris
                            Periclimenes richeri
                            Periclimenes ruber
                            Periclimenes sandybrucei
                            Periclimenes sandyi
                            Periclimenes sarkanae
                            Periclimenes sibogae
                            Periclimenes tenellus
                            Periclimenes terangeri
                            Periclimenes tonga
                            Periclimenes uniunguiculatus
                            Periclimenes vaubani
                            Periclimenes veleronis
                            Periclimenes vicinus
                            Periclimenes yaldwyni
                            Periclimenes vanellus
                          Pontonia
                          Tuleariocaris
                          Typton
                          Ascidonia
                  Pandaloidea
                  Pasiphaeoidea
                  Processoidea
                  Stylodactyloidea
                Palinura
                Stenopodidea
                Thalassinidea
          Peracarida
        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