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 paulsoni kurracheensis
                            Synalpheus paulsoni paulsoni
                            Synalpheus paulsoni rameswarensis
                        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