Aquadulcum ovatum, Gao Ruiqi et al., 1992b, p. 48-49,61, pl.13, figs.18-20.
Acritarch genus.

NOW Cobricosphaeridium? Originally Aquadulcum, subsequently (and now) Cobricosphaeridium? (by implication of Head et al., 2003)

Holotype: Gao Ruiqi et al., 1992b, pl.13, fig.20.
Age: Late Cretaceous.