From Fensome et al., 2019:
Ceriocysta crassa Xu Jinli et al., 1997, p.50–51,145–146, pl.1, figs.1a–c,2a–c,3a–b,4; pl.2, figs.1,2a–b; pl.3, fig.3; pl.4,
figs.1a–b,2a–b,3a–b; pl.46, figs.1–2,4; pl.47, fig.1; text-fig.1. Holotype: Xu Jinli et al., 1997, pl.1, figs.1a–c. Age:
Middle–Late Eocene.

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