Sycetta Haeckel, 1872

 

  Sycetta conifera (Haeckel, 1872) (4)

 

Sycon Risso, 1826

 

  Sycon ciliatum (Fabricius, 1780) (3, 4, 5)

  Sycon elegans (Bowerbank, 1845) (3, 4, 5)

  Sycon helleri (Lendenfeld, 1891) (4)

  Sycon humboldti Risso, 1826 (4)

  Sycon quadrangulatum (Schmidt, 1868) (4)

  Sycon raphanus Schmidt, 1862 (3, 4, 5)

  Sycon schmidtii (Haeckel, 1872) (4)

  Sycon setosum Schmidt, 1862 (3, 4)

  Sycon tenellum (Lendenfeld, 1891) (4)

  Sycon tuba (Lendenfeld, 1891) (4)

  Sycon vigilans Sarà & Gaino, 1971 (3)