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
                    Alpheidae
                        Alpheopsis
                        Alpheus
                        Athanas
                        Automate
                        Salmoneus
                        Synalpheus
                          Synalpheus gambarelloides
                          Synalpheus tumidomanus
                          Synalpheus neomeris
                          Synalpheus streptodactylus
                          Synalpheus hastilicrassus
                          Synalpheus coutierei
                          Synalpheus paulsoni
                          Synalpheus heroni
                          Synalpheus triacanthus
                          Synalpheus mushaensis
                          Synalpheus pachymeris
                          Synalpheus triunguiculatus
                          Synalpheus fossor
                          Synalpheus gracilirostris
                          Synalpheus spongicola
                          Synalpheus demani
                          Synalpheus sladeni
                          Synalpheus jedanensis
                          Synalpheus tricuspidatus
                          Synalpheus paraneomeris
                          Synalpheus nilandensis
                          Synalpheus charon
                          Synalpheus paradoxus
                          Synalpheus quinquedens
                          Synalpheus ancistrorhynchus
                          Synalpheus fritzmuelleri
                          Synalpheus parfaiti
                          Synalpheus senegambiensis
                          Synalpheus stimpsonii
                          Synalpheus huluensis
                          Synalpheus lani
                          Synalpheus wickstenae
                          Synalpheus stylopleuron
                          Synalpheus carpenteri
                          Synalpheus ruetzleri
                          Synalpheus agelas
                          Synalpheus anasimus
                          Synalpheus bousfieldi
                          Synalpheus brevicarpus
                          Synalpheus brooksi
                          Synalpheus curacaoensis
                          Synalpheus goodei
                          Synalpheus heardi
                          Synalpheus hemphilli
                          Synalpheus herricki
                          Synalpheus longicarpus
                          Synalpheus mcclendoni
                          Synalpheus minus
                          Synalpheus obtusifrons
                          Synalpheus pandionis
                          Synalpheus paraneptunus
                          Synalpheus pectiniger
                          Synalpheus rathbunae
                          Synalpheus sanctithomae
                          Synalpheus scaphoceris
                          Synalpheus townsendi
                          Synalpheus albatrossi
                          Synalpheus amabilis
                          Synalpheus anceps
                          Synalpheus androsi
                          Synalpheus antenor
                          Synalpheus arostris
                          Synalpheus bannerorum
                          Synalpheus barahonensis
                          Synalpheus belizensis
                          Synalpheus bispinosus
                          Synalpheus bituberculatus
                          Synalpheus biunguiculatus
                          Synalpheus bocas
                          Synalpheus brachyceros
                          Synalpheus bradleyi
                          Synalpheus brevidactylus
                          Synalpheus brevifrons
                          Synalpheus brevispinis
                          Synalpheus carinatus
                          Synalpheus chacei
                          Synalpheus comatularum
                          Synalpheus corallinus
                          Synalpheus cretoculatus
                          Synalpheus crosnieri
                          Synalpheus dardeaui
                          Synalpheus digueti
                          Synalpheus disparodigitus
                          Synalpheus dominicensis
                          Synalpheus dorae
                          Synalpheus duffyi
                          Synalpheus echinus
                          Synalpheus elizabethae
                          Synalpheus filidigitus
                          Synalpheus haddoni
                          Synalpheus harpagatrus
                          Synalpheus herdmaniae
                          Synalpheus hilarulus
                          Synalpheus hoetjesi
                          Synalpheus idios
                          Synalpheus iphinoe
                          Synalpheus iocasta
                          Synalpheus irie
                          Synalpheus kensleyi
                          Synalpheus kuadramanus
                          Synalpheus kusaiensis
                          Synalpheus laticeps
                          Synalpheus lockingtoni
                          Synalpheus lophodactylus
                          Synalpheus macromanus
                          Synalpheus merospiniger
                          Synalpheus mexicanus
                          Synalpheus modestus
                          Synalpheus mortenseni
                          Synalpheus mulegensis
                          Synalpheus nobilii
                          Synalpheus occidentalis
                          Synalpheus odontophorus
                          Synalpheus orapilosus
                          Synalpheus otiosus
                          Synalpheus paralaticeps
                          Synalpheus paulsonoides
                          Synalpheus pescadorensis
                          Synalpheus peruvianus
                          Synalpheus plumosetosus
                          Synalpheus pococki
                          Synalpheus quadriarticulatus
                          Synalpheus quadrispinosus
                          Synalpheus readi
                          Synalpheus recessus
                          Synalpheus redactocarpus
                          Synalpheus regalis
                          Synalpheus riosi
                          Synalpheus sanjosei
                          Synalpheus sanlucasi
                          Synalpheus sciro
                          Synalpheus septemspinosus
                          Synalpheus somalia
                          Synalpheus spinifrons
                          Synalpheus spiniger
                          Synalpheus superus
                          Synalpheus tenuispina
                          Synalpheus thai
                          Synalpheus thele
                          Synalpheus theano
                          Synalpheus tijou
                          Synalpheus tridentulatus
                          Synalpheus trispinosus
                          Synalpheus tropidodactylus
                          Synalpheus tuthilli
                          Synalpheus ul
                          Synalpheus williamsi
                          Synalpheus yano
                          Synalpheus neptunus
                          Synalpheus microneptunus
                        Leptalpheus
                    Hippolytidae
                    Ogyrididae
                  Bresilioidea
                  Campylonotoidea
                  Crangonoidea
                  Nematocarcinoidea
                  Oplophoroidea
                  Palaemonoidea
                  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