Sycon

***Sycon*** is 'n genus van sponsdiere uit die familie van die Sycettidae.

## Spesies 
* *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* (var. spinispiculum (Carter, 1876)
* *Sycon coactum* (Urban, 1906)
* *Sycon compactum* (Lambe, 1893)
* *Sycon cylindricum* (Tanita, 1942)
* *Sycon defendens* (Borojevic, 1967)
* *Sycon digitiforme* (Hozawa, 1929)
* *Sycon dunstervillia* (Haeckel, 1872)
* *Sycon eglintonense* (Lambe, 1900)
* *Sycon elegans* (Bowerbank, 1845)
* *Sycon ensiferum* (Dendy, 1893)
* *Sycon escanabense* (Duplessis & Reiswig, 2000)
* *Sycon faulkneri* (Ilan, Gugel, Galil & Janussen, 2003)
* *Sycon formosum* (Haeckel, 1870)
* *Sycon frustulosum* (Borojevic & Peixinho, 1976)
* *Sycon gelatinosum* (Blainville, 1834)
* *Sycon giganteum* (Dendy, 1893)
* *Sycon globulatum* (Hozawa, 1929)
* *Sycon grantioides* (Dendy, 1916)
* *Sycon helleri* (Lendenfeld, 1891)
* *Sycon hozawai* (Breitfuss, 1932)
* *Sycon huinayense* (Azevedo, Hajdu, Willenz & Klautau, 2009)
* *Sycon humboldti* (Risso)
* *Sycon inconspicuum* (Lendenfeld, 1885)
* *Sycon incrustans* (Breitfuss, 1898)
* *Sycon karajakense* (Breitfuss, 1897)
* *Sycon kerguelense* (Urban, 1908)
* *Sycon lambei* (Dendy & Row, 1913)
* *Sycon lendenfeldi* (Row & Hozawa, 1931)
* *Sycon lingua* (Haeckel, 1870)
* *Sycon lunulatum* (Haeckel, 1872)
* *Sycon luteolum* (Tanita, 1942)
* *Sycon matsushimense* (Tanita, 1940)
* *Sycon mexico* (Hozawa, 1940)
* *Sycon minutum* (Dendy, 1893)
* *Sycon misakiense* (Hozawa, 1929)
* *Sycon mundulum* (Lambe, 1900)
* *Sycon munitum* (Jenkin, 1908)
* *Sycon natalense* (Borojevic, 1967)
* *Sycon okadai* (Hozawa, 1929)
* *Sycon ornatum* (Kirk, 1898)
* *Sycon parvulum* (Preiwisch, 1904)
* *Sycon pedicellatum* (Kirk, 1911)
* *Sycon plumosum* (Tanita, 1943)
* *Sycon proboscideum* (Breitfuss, 1898)
* *Sycon proboscideum* (Haeckel, 1870)
* *Sycon protectum* (Lambe, 1896)
* *Sycon pulchrum* (Tanita, 1943)
* *Sycon quadrangulatum* (Schmidt, 1868)
* *Sycon ramsayi* (Lendenfeld, 1885)
* *Sycon raphanus* (Schmidt, 1862)
* *Sycon rotundum* (Tanita, 1941)
* *Sycon satsumense* (Hozawa, 1929)
* *Sycon scaldiense* (Van Koolwijk, 1982)
* *Sycon schmidti* (Haeckel, 1872)
* *Sycon schuffneri* (Dendy & Row, 1913)
* *Sycon setosum* (Schmidt, 1862)
* *Sycon simushirense* (Hozawa, 1918)
* *Sycon stauriferum* (Preiwisch, 1904)
* *Sycon subhispidum* (Carter, 1886)
* *Sycon sycandra* (Lendenfeld, 1895)
* *Sycon tabulatum* (Schuffner, 1877)
* *Sycon tenellum* (Lendenfeld, 1891)
* *Sycon tuba* (Lendenfeld, 1891)
* *Sycon urugamii* (Tanita, 1940)
* *Sycon verum* (Row & Hozawa, 1931)
* *Sycon vigilans* (Sarà & Gaino, 1971)
* *Sycon yatsui* (Hozawa, 1929)