Dapsilidinium langii
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"?langii" (Wall, 1965a, p.165, pl.6, figs.9–11; pl.9, fig.9) Lentin and Williams, 1981, p.69. Emendations: Morbey, 1975, p.41–42, as Hystrichosphaeridium langii; Below, 1987a, p.70, 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. Questionable assignment: Lentin and Williams (1981, p.69). Age: Hettangian–early Sinemurian.
Parent: Dapsilidinium