Hystrichosphaeridium rehdense
From dinoflaj3
"rehdense" Maier, 1959, p.317–318, pl.32, figs.3–4. Holotype: Maier, 1959, pl.32, fig.4; Sarjeant, 1983, pl.1, fig.1. Taxonomic senior synonym: Hystrichosphaeridium (as and now Achomosphaera) ramuliferum, according to Sarjeant (1983, p.97–99). Age: middle Miocene.
Parent: Hystrichosphaeridium