Nyktericysta granorugosa (Qiao Xiuyun et al., 1992) Williams and Fensome, 2016, p.140. Holotype: Qiao Xiuyun et al., 1992, pl.2, fig.10; Gao Ruiqi et al., 1992b, pl.2, fig.5; Gao Ruiqi et al., 1992c, pl.1, fig.11. Originally Balmula, subsequenty (and now) Nyktericysta. Age: Berriasian–Barremian.