Wilsonidium subtile
From dinoflaj3
"subtile" He Chengquan and Wang Kede, 1990, p.418,424, pl.2, fig.3; text-fig.2. Holotype: He Chengquan and Wang Kede, 1990, pl.2, fig.3; text-fig.2. NOW Stichodinium. Originally Wilsonidium, subsequently (and now) Stichodinium. Age: late early Eocene.
Parent: Wilsonidium