Pyxidinopsis spinoreticulatum (Jiabo, 1978, p.111–112, pl.42, figs.5–6) Pan Zhaoren in Xu Jinli et al., 1997, p.72. Holotype: Jiabo, 1978, pl.42, fig.5. Originally Dictyotidium (acritarch genus), subsequently (and now) Pyxidinopsis. Age: late Eocene–early Oligocene.