Sycon is 'n genus van sponsdiere uit die familie van die Sycettidae. Sycon abyssale (Borojevic & raat-Kleeton, 1965) Sycon acanthoxea (Little, 1963) Sycon album (Tanita, 1942) Sycon ampulla (Haeckel, 1870) Sycon antarcticum (Jenkin, 1908) Sycon arcticum (Haeckel, 1870) Sycon asperum (Gibson, 1886) Sycon australe (Jenkin, 1908) Sycon barbadense (Schuffner, 1877) Sycon boreale (Schuffner, 1877) Sycon brasiliense (Borojevic, 1971) Sycon calcaravis (Hozawa, 1929) Sycon caminatum (Thacker, 1908) Sycon capricorn (Wörheide & Hooper, 2003) Sycon carteri (Dendy, 1893) Sycon ciliatum (Fabricius, 1780) Sycon ciliatum