[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Annelida Lamarck, 1809 - segmented worms
     Class Polychaeta Grube, 1850 - polychaetes
       Family Alciopidae Ehlers, 1864
         1 Genus Alciopa Audouin & Milne-Edwards, 1833
         2 Genus Alciopina Claparède & Panceri, 1867
         3 Genus Corynocephalus Levinsen, 1885
         4 Genus Krohnia de Quatrefages, 1865
         5 Genus Naiades delle Chiaje, 1830
         6 Genus Plotohelmis Chamberlin, 1919
         7 Genus Rhynchonereella Costa, 1862
         8 Genus Torrea de Quatrefages, 1865
         9 Genus Vanadis Claparède, 1870