Purple Octopus - using citizen science to discover marine interactions

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You can search for a marine species or other entities that have been tagged in the message content by using the search box on the right hand side of the page.

Browse the WoRMS taxonomy


You can also find a marine species by browsing through the WoRMS taxonomy on the right hand side.

The taxonomy here displays all parent and child nodes of the taxonomy that are tagged as accepted or synonymised. Only species tagged as marine are shown (so you may find some parent nodes with no species within them).

Search for a Species
Browse For a Marine Species
Click the links to browse through the WoRMS marine species taxonomy.
Animalia
  Mollusca
  Porifera
  Platyhelminthes
  Nematoda
    Adenophorea
      Chromadoria
        Chromadorida
        Monhysterida
          Aponchiidae
          Fusivermidae
          Linhomoeina
          Monhysterina
            Monhysteroidea
            Sphaerolaimoidea
              Xyalidae
                  Amphimonhystera
                  Cobbia
                  Daptonema
                  Echinotheristus
                  Elzalia
                  Filipjeva
                  Gonionchus
                  Hoffmaenneria
                  Metadesmolaimus
                  Omicronema
                  Paramonohystera
                  Pseudosteineria
                  Rhynchonema
                  Scaptrella
                  Spiramphinema
                  Steineria
                  Theristus
                    Theristus acer
                    Theristus acriformis
                    Theristus aculeatus
                    Theristus anisotrichus
                    Theristus bastiani
                    Theristus bipunctatus
                    Theristus blandicor
                    Theristus complexus
                    Theristus denticulatus
                    Theristus ensifer
                    Theristus flevensis
                    Theristus gracilis
                    Theristus heterospiculoides
                    Theristus heterospiculum
                    Theristus inermis
                    Theristus interstitialis
                    Theristus latissimus
                    Theristus leptosoma
                    Theristus lineatus
                    Theristus littoralis
                    Theristus longisetosus
                    Theristus longus
                    Theristus maior
                    Theristus meyli
                    Theristus monstrosus
                    Theristus norwegicus
                    Theristus obtusicephalus
                    Theristus otoplanobius
                    Theristus parasetosus
                    Theristus pellucidus
                    Theristus pertenuis
                    Theristus pictus
                    Theristus pyronasi
                    Theristus roscoffiensis
                    Theristus sabulicola
                    Theristus scanicus
                    Theristus stichotricha
                    Theristus strandi
                    Theristus tenuicaudatus
                    Theristus velox
                    Theristus (Penzancia)
                    Theristus oxycerca
                    Theristus normandicus
                    Theristus acrilabiatus
                    Theristus setosus
                    Theristus tenuispiculum
                    Theristus longissimecauda
                    Theristus problematicus
                    Theristus procerus
                    Theristus longicaudatusviviparus
                    Theristus bathylaimoides
                    Theristus rhynchonemoides
                    Theristus anisocirculus
                    Theristus balticus
                    Theristus longicollis
                    Theristus longissimecaudatus
                    Theristus macer
                    Theristus profundus
                    Theristus longicaudatus
                    Theristus buetschlii
                    Theristus proprius
                    Theristus (Daptonema)
                    Theristus mirabilis
                  Trichotheristus
                  Valvaelaimus
                  Xyala
                  Ammotheristus
                  Stylotheristus
                  Gnomoxyala
                  Paramonhystera
                  Promonhystera
                  Prorhynchonema
                  Retrotheristus
                  Xenolaimus
                  Manganonema
                  Paramphimonhystrella
                  Pseudechinotheristus
                  Paragonionchus
                  Dactylaimoides
                  Marisalbinema
                  Parelzalia
        Araeolaimida
        Desmodorida
        Desmoscolecida
        Plectida
      Enoplia
      Adenophorea incertae sedis
      Mermithida
    Secernentea
    Nematoda incertae sedis
  Annelida
  Nemertina
  Arthropoda
  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