Nyktericysta symmetrica

"symmetrica" He Chengquan et al., 1992, p.186–187,193, pl.2, figs.4–6.  Holotype: He Chengquan et al., 1992, pl.2, fig.4; Gao Ruiqi et al., 1992b, pl.2, fig.5.  NOW Quantouendinium.  Originally Nyktericysta, subsequently (and now) Quantouendinium.  Taxonomic senior synonym: Nyktericysta (now Quantouendinium) microreticulata, according to Mao Shaozhi et al. (1999, p.157); however, He Chengquan et al. (2009, p.306) retained this species as Quantouendinium symmetricum.  Age: Albian.

Parent: Nyktericysta