Impletosphaeridium "liaoningense" (Jiabo, 1978, p.58, pl.29, figs.6-8) Chen et al., 1988, p.7.

NOW Peltiphoridium. Originally Bipolaribucina, subsequently Impletosphaeridium, thirdly (and now) Peltiphoridium.

Holotype: Jiabo, 1978, pl.29, fig.7.
Age: Early Tertiary.