Kingdom Animalia Linnaeus, 1758 - animals
Count: -
   Phylum Porifera Grant, 1836 - sponges
  Count: -
     Class Demospongiae Sollas, 1885 - demosponges
    Count: -
       Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
      Count: [*] 3f28g; †2g
         Genus Ephydatia Lamouroux, 1816
        Count: -
           Ephydatia fluviatilis (C. Linnaeus, 1758)
          Count: -