Sagartiidae Gosse, 1858
Actinothoe albocincta (Hutton, 1878)
Actinothoe alderi (Cocks, 1851)
Actinothoe bellii (Cocks, 1851)
Actinothoe bradleyi (Verrill, 1869)
Actinothoe carlgreni (Haddon & Duerden, 1896)
Actinothoe clavata (Ilmoni, 1830)
Actinothoe georgiana (Carlgren, 1899)
Actinothoe glandulosa Carlgren, 1954
Actinothoe gracillima (McMurrich, 1887)
Actinothoe gravieri (Pax, 1912)
Actinothoe ignea (Fischer, 1874)
Actinothoe kerguelensis (Pax, 1922)
Actinothoe lobata (Carlgren, 1899)
Actinothoe longa (Verrill, 1928)
Actinothoe milmani (Haddon & Shackleton, 1893)
Actinothoe modesta (Verrill, 1866)
Actinothoe paradoxa (McMurrich, 1893)
Actinothoe patagonica (Carlgren, 1899)
Actinothoe pellucida (Cocks, 1851)
Actinothoe plebeia (Haddon, 1898)
Actinothoe pugnax (Verrill, 1928)
Actinothoe pusilla (Verrill, 1928)
Actinothoe pustulata (McMurrich, 1887)
Actinothoe qingdaoensis Pei, 1993
Actinothoe sancti
Actinothoe sanmatiensis (McMurrich, 1893)
Actinothoe sphyrodeta (Gosse, 1858)
