Pyxidinopsis vesiculus (Liu Zhili and Zheng Yuefang in Liu Zhili et al. 1992, p.96, pl.22, figs.5–9) He Chengquan et al., 2009, p.246. Holotype: Holotype: Liu Zhili et al. 1992, pl.22, fig.7. Originally Granodiscus (Acritarch genus), subsequently (and now) Pyxidinopsis. Age: Oligocene.