[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 Capitellidae Grube, 1862
         Genus Capitella de Blainville, 1828
           1 Capitella capitata (Fabricius, 1780)
           2 Capitella giardi (Mesnil, 1897) see Capitellides giardi Mesnil, 1897
           3 Capitella hermaphrodita Boletzky & Dohle, 1967
           4 Capitella minima Langerhans, 1880