[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 Hesionidae Grube, 1850
         01 Genus Amphiduros
         02 Genus Anoplonereis Giard, 1882
         03 Genus Dalhousiella McIntosh, 1901
         04 Genus Glyphohesione Friedrich, 1951
         05 Genus Gyptis Marion & Bobretzky, 1875
         06 Genus Hesione Savigny, 1818
         07 Genus Hesionides Friedrich, 1937
         08 Genus Hesiospina Imajima & Hartman, 1964
         09 Genus Kefersteinia Quatrefages, 1865
         10 Genus Leocrates Kinberg, 1866
         11 Genus Microphthalmus Mecznikow, 1865
         12 Genus Nereimyra de Blainville, 1828
         13 Genus Ophiodromus M. Sars, 1861
         14 Genus Orseis Ehlers, 1864
         15 Genus Periboea
         16 Genus Podarke Ehlers, 1864 see Genus Ophiodromus M. Sars, 1861
         17 Genus Podarkeopsis Laubier, 1961
         18 Genus Syllidia de Quatrefages, 1865