Trichodinium discus

discus Harding, 1990b, p.38, pl.18, figs.7–13 ex Harding in Williams et al. 1998, p.615. Holotype: Harding, 1990b, pl.18, fig.7. This name was not validly published in Harding (1990b) since the lodgement of the holotype was not specified (I.C.N. Article 40.7). N.I.A. Age: early Barremian.