[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 Arenicolidae Johnston, 1835
         Genus Arenicolides Mesnil, 1898
           1 Arenicolides branchialis (Audouin & Milne-Edwards, 1833)
           2 Arenicolides grubii Claparède, 1868
           3 Arenicolides ecaudata (Johnston, 1865)