| Taxonomic Hierarchy 
        
          |  |  |  |  |  |  | Kingdom | Animalia 
 – Animal, animaux, animals |  |  |  | Phylum | Cnidaria Hatschek, 1888
 – cnidarians, coelenterates, cnidaires, coelentérés, água viva, anêmona, caravela, cnidario, coral, hidra |  |  |  | Subphylum | Medusozoa |  |  |  | Class | Hydrozoa Owen, 1843
 – hydralike animals, hydroids, hydrozoans, hydraires, hydrozoaires, água viva, hidra, hidrozoa, hidrozoário, pólipo |  |  |  | Subclass | Hydroidolina |  |  |  | Order | Anthoathecatae 
 – athecate hydroids, hydromedusae |  |  |  | Suborder | Filifera Kühn, 1913 |  |  |  | Family | Proboscidactylidae Hand and Hendrickson, 1950 |  |  |  | Genus | Proboscidactyla Brandt, 1835 |  |  |  | Species | Proboscidactyla mutabilis (Browne, 1902) |  |  
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