Trithyrodinium Drugg, 1967, p.20.
EMENDATIONS: Davey, 1969b, p.10; Lentin and Williams, 1976, p.98-100; Marheinecke, 1992, p.94-95.
TYPE: Drugg, 1967, pl.3, fig.2, as Trithyrodinium evittii.