Rhombodinium majus

?majus Yu Jingxian, 1982, p.257, pl.8, fig.8. Holotype: Yu Jingxian, 1982, pl.8, fig.8. Originally Rhombodinium, subsequently (and now) Rhombodinium?. Questionable assignment: Lentin and Williams (1985, p.307). Age: Late Jurassic-Early Cretaceous.