Stichodinium *subtile (He Chengquan and Wang Kede, 1990, p.418,424, pl.2, fig.3; text-fig.2) Williams et al., 2015, p.314. Holotype: He Chengquan and Wang Kede, 1990, pl.2, fig.3; text-fig.2. Originally Wilsonidium, subsequently (and now) Stichodinium. Age: late early Eocene.