Impletosphaeridium huanghuaense
From dinoflaj2
"huanghuaense" (Jiabo, 1978, p.57, pl.29, figs.9-10) Chen et al., 1988, p.7. Holotype: Jiabo, 1978, pl.29, fig.9. NOW Songiella. Originally Bipolaribucina, subsequently Impletosphaeridium, thirdly (and now) Songiella. Age: Early Tertiary.
Parent: Impletosphaeridium