| Chaetozone lunula Blake, 1996 |
| Chaetozone multioculata Hartman, 1961 |
| Chaetozone nicoyana H.K. Dean & Blake, 2007 |
| Chaetozone setosa Malmgren, 1867 |
| Chaetozone spinosa Moore, 1903 |
| Chaetozone spinosa var. corona E. Berkeley & C. Berkeley, 1941 |
| Chaetozone zetlandica McIntosh, 1911 |
| Cirratulidae Ryckholt, 1851 |
| Cirratulus Lamarck, 1818 |
| Cirratulus afer Ehlers, 1908 |
| Cirratulus borealis Lamarck, 1818 |
| Cirratulus capensis Schmarda, 1861 |
| Cirratulus cingulatus Johnson, 1901 |
| Cirratulus cirratus (O.F. Müller, 1776) |
| Cirratulus dorsobranchialis Kirkegaard, 1959 |
| Cirratulus exuberans Chamberlin, 1919 |
| Cirratulus filiformis Keferstein, 1862 |
| Cirratulus filigerus (delle Chiaje, 1828) |
| Cirratulus grandis Verrill, 1873 |
| Cirratulus hedgpethi Hartman, 1951 |