Cyclonephelium combibaculum Song Zhichen in Song Zhichen et al., 1985, p.29–30, pl.6, figs.10–11. Holotype: Song Zhichen et al., 1985, pl.6, figs.10–11; Fauconnier and Masure, 2004, pl.32, fig.5; Fensome et al., 2019a, fig.20H. NOW Polysphaeridium?. Originally Cyclonephelium, subsequently (and now) Polysphaeridium. Age: ?Early Pleistocene.