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Balmula spinosa
Balmula spinosa, Gao Ruiqi et al., 1992a, p.18,24, pl.1, figs.17-18; Emendation: Mao Shaozhi et al., 1999, p.157, as Quantouendinium spinosum.
Originally Balmula, subsequently Quantouendinium, thirdly (and now) Nyktericysta. He Chengquan et al. (2009, p.294) retained this species in Balmula.
Holotype: Gao Ruiqi et al., 1992a, pl.1, fig.17; Gao Ruiqi et al., 1992b, pl.8, fig.1; Mao Shaozhi et al., 1999, pl.4, fig.2.
Age: Campanian.
Originally Balmula, subsequently Quantouendinium, thirdly (and now) Nyktericysta. He Chengquan et al. (2009, p.294) retained this species in Balmula.
Holotype: Gao Ruiqi et al., 1992a, pl.1, fig.17; Gao Ruiqi et al., 1992b, pl.8, fig.1; Mao Shaozhi et al., 1999, pl.4, fig.2.
Age: Campanian.