Annelida Lamarck, 1809 - segmented worms
Status: extant
   "polychaetes" see Class Polychaeta Grube, 1850
  Status: extant
     Scolecida G.W. Rouse & K. Fauchald, 1997 see Order Scolecida Rouse & Fauchald, 1997
    Status: extant
       Family Paraonidae Cerruti, 1909
      Status: extant
         Genus Aricidea Webster, 1879
        Status: extant
           1 Aricidea laubieri Hartley, 1981
          Status: extant
           2 Aricidea parva
          Status: extant
           3 Aricidea albatrossae Pettibone, 1957
          Status: extant
           4 Aricidea tetrabranchia Hartman & Fauchald, 1971
          Status: extant
           5 Aricidea pulchra Strelzov, 1973
          Status: extant