Central Taxonomic Thesaurus
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Organism
  Animalia
         [Metazoa]
      Porifera
            Demospongiae
                   [Ceractinomorpha]
                   [Cornacuspongia]
                   [Monaxonida]
                   [Sclerospongiae]
                   [Tetractinomorpha]
                    Spirophorida
                            Samidae
                                     Samus