Nyktericysta microreticulata subsp. circularis

"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.  Taxonomic senior synonym: Nyktericysta (now Quantouendinium) microreticulata, according to Mao Shaozhi et al. (1999, p.157).  Age: Albian. Parent: Nyktericysta microreticulata