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Nyktericysta microreticulata subsp. circularis

From Fensome et al., 2019:
Nyktericysta microreticulata subsp. circularis He Chengquan et al., 1992, p.186,193, pl.1, figs.13–15. Holotype: He Chengquan et al., 1992, pl.1, fig.13; Gao Ruiqi et al., 1992b, pl.3, fig.7. Originally Nyktericysta microreticulata subsp. circularis, subsequently Quantouendinium microreticulatum subsp circulare. Taxonomic senior synonym: Nyktericysta (as Quantouendinium) microreticulata, according to Mao Shaozhi et al. (1999, p.157) — although He Chengquan et al. (2009, p.305) retained this taxon as Quantouendinium microreticulatum subsp. circulare, Fensome et al. (2016, p.57) agreed with Mao Shaozhi et al. (1999) regarding the synonymy. Age: Albian.

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