Hystrichosphaeridium langii
From dinoflaj3
"langii" Wall, 1965a, p.165, pl.6, figs.9–11; pl.9, fig.9. Emendations: Morbey, 1975, p.41–42, as Hystrichosphaeridium langii; Below, 1987a, p.70–71, as Beaumontella langii. Holotype: Wall, 1965a, pl.6, fig.9; pl.9, fig.9; Fensome et al., 1995, figs.1–2 — p.1595. NOW Beaumontella. Originally Hystrichosphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium?, fourthly (and now) Beaumontella. Age: Hettangian–early Sinemurian.
Parent: Hystrichosphaeridium