Sycon raphanus n.sp. Schmidt, 1862: 14, pl. I fig. 1; Stephens, 1912: 10; Prenant, 1927: 31; Brøndsted, 1932: 2; Arndt, 1935: 12, fig. 16; Borojevic et al., 1968: 34; Descatoire, 1969a: 182; Lombas, 1982: 43.
Sycandra raphanus : Haeckel, 1870: 312, pls. 53, 60; Arnesen, 1901a: 69.
?Sycon setosum : Stephens, 1912: 11 (not Schmidt, 1862)
?Sycon ampulla : Stephens, 1912: 11 (not Haeckel, 1870)