Nyktericysta "fusiformis" He Chengquan et al., 1992, p.185,191–192, pl.1, fig.16; pl.2, figs.1–3. Holotype: He Chengquan et al., 1992, pl.2, fig.2; Gao Ruiqi et al., 1992b, pl.4, fig.6. NOW Quantouendinium. Originally Nyktericysta, subsequently (and now) Quantouendinium. Taxonomic senior synonym: Nyktericysta (now Quantouendinium) dictyophora, according to Mao Shaozhi et al. (1999, p.156); however, He Chengquan et al. (2009, p.304) retained this species as Quantouendinium fusiforme. Age: Albian.