Nyktericysta hailaerensis Wan Chuanbiao and Zhang Ying, 1990, p.10, pl.2, figs.4–6. Emendation: Mao Shaozhi et al., 1999, p.154. Holotype: Wan Chuanbiao and Zhang Ying, 1990, pl.2, fig.6. Taxonomic junior synonym: Nyktericysta aspera, according to Mao Shaozhi et al. (1999, p.154). Wan Chuanbiao and Zhang Ying (1990, p.8,13) assigned this species to Nyktericysta subgenus Hailaera. Age: Early Cretaceous.