From Fensome et al., 2019:
Circulodinium cingulatum He Chengquan et al., 1999, p.193, pl.2, figs.1–3. Holotype: He Chengquan et al., 1999, pl.2, fig.1. Taxonomic senior synonym: Tenua scabrosa, according to Fensome et al. (2019a, p.49). Age: late Hauterivian–Barremian.

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