[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 Arenicola Lamarck, 1801
           1 Arenicola cristata Stimpson, 1856
           2 Arenicola defodiens Cadman & Nelson-Smith, 1993
           3 Arenicola marina (Linnaeus, 1758)