Hydractinia Van Beneden, 1841

 

  Hydractinia aculeata (Wagner, 1833) (3, 4, 5)

  Hydractinia echinata Fleming, 1828 (3)

  Hydractinia fucicola (M. Sars, 1857) (3)

  Hydractinia ornata Bonnevie, 1899 (3)

 

Hydractomma Stechow, 1921

 

  Hydractomma pruvoti (Motz-Kossowska, 1905) (3)

 

Podocoryne M. Sars, 1846

 

  Podocoryne areolata (Alder, 1862) (3, 4)

  Podocoryne borealis (Mayer, 1900) (4)

  Podocoryne carnea M. Sars, 1846 (3, 4, 5)

  Podocoryne exigua (Haeckel, 1879) (4)

  Podocoryne hartlaubi Neppi & Stiasny, 1911 (3, 4)

  Podocoryne minima (Trinci, 1903) (3, 4)

  Podocoryne minuta (Mayer, 1900) (3, 4)

 

Stylactaria Stechow, 1921

 

  Stylactaria inermis (Allman, 1872) (3, 4, 5)

 

Tregoubovia Picard, 1958

 

  Tregoubovia atentaculata Picard, 1958 (3)