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Nyktericysta symmetrica

From Fensome et al., 2019:
Nyktericysta 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. Originally (and now) Nyktericysta, subsequently 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

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