Dracodinium rhomboideum
From dinoflaj3
"rhomboideum" (Alberti, 1961, p.10, pl.1, figs.1–5; pl.12, fig.9) Costa and Downie, 1979, p.44. Holotype: Alberti, 1961, pl.1, fig.3; pl.12, fig.9. NOW Petalodinium. Originally Wetzeliella subgenus Rhombodinium, subsequently Rhombodinium, thirdly Dracodinium, fourthly (and now) Petalodinium. Age: late Eocene.
Parent: Dracodinium
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