Oligosphaeridium jixiense
From dinoflaj2
jixiense He Chengquan and Sun Xuekun, 2000, p.50-51,58, pl.3, figs.1-2; text-fig.1. Holotype: He Chengquan and Sun Xuekun, 2000, pl.3, fig.1; text-fig.1. Age: late Hauterivian.
Parent: Oligosphaeridium