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Nyktericysta aspera
Nyktericysta "aspera" Wan Chuanbiao and Zhang Ying, 1990, p.10, pl.2, figs.7–9. Holotype: Wan Chuanbiao and Zhang Ying, 1990, pl.2, fig.7. Taxonomic senior synonym: Nyktericysta hailaerensis, according to Mao Shaozhi et al. (1999, p.154). Wan Chuanbiao and Zhang Ying (1990, p.10) assigned this species to Nyktericysta subgenus Hailaera. Age: Early Cretaceous.