[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
         1 Genus Abarenicola Wells, 1959
         2 Genus Arenicola Lamarck, 1801
         3 Genus Arenicolides Mesnil, 1898
         4 Genus Branchiomaldane Langerhans, 1881