Pyxidinopsis pachyderma
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pachyderma (Jiabo, 1978, p.111, pl.41, figs.10-12; pl.46, figs.2a-b) Pan Zhaoren in Xu Jinli et al., 1997, p.71. Holotype: Jiabo, 1978, pl.41, fig.12. Originally Dictyotidium (Appendix A), subsequently (and now) Pyxidinopsis. Age: Late Oligocene.
Parent: Pyxidinopsis