[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 Cirratulidae Ryckholt, 1851
         Genus Cirratulus Lamarck, 1818
           1 Cirratulus abyssorum Hansen, 1878
           2 Cirratulus caudatus Levinsen, 1893
           3 Cirratulus cirratus (Müller, 1776)
           4 Cirratulus chrysoderma Claparède, 1868
           5 Cirratulus incertus McIntosh, 1916
           6 Cirratulus glandularis Langerhans, 1884