Phylum Annelida Lamarck, 1809 - segmented worms
   Class Polychaeta Grube, 1850 - polychaetes
     Order Eunicida Ushakov, 1955
       Superfamily Eunicoidea
         Family Onuphidae Kinberg, 1865
           Subfamily Hyalinoecinae Paxton, 1976
             1 Genus Hyalinoecia Malmgren, 1866
             2 Genus Nothria Malmgren, 1866