Oligosphaeridium byersense
From dinoflaj2
byersense Duane, 1997, p.134-136, pl.3, figs.1-2,4-5; pl.4, figs.1-4; text-figs.5-6. Holotype: Duane, 1997, pl.3, fig.1; text-fig.5. Age: Valanginian.
Parent: Oligosphaeridium
byersense Duane, 1997, p.134-136, pl.3, figs.1-2,4-5; pl.4, figs.1-4; text-figs.5-6. Holotype: Duane, 1997, pl.3, fig.1; text-fig.5. Age: Valanginian.
Parent: Oligosphaeridium