Kallosphaeridium brevibarbatum
From dinoflaj3
*brevibarbatum de Coninck, 1969, p.44–45, pl.13, figs.14–15. Emendation: Jan du Chêne et al., 1985a, p.10. Holotype: de Coninck, 1969, pl.13, figs.14–15; Jan du Chêne et al., 1985a, pl.1, fig.3; text-fig.4A. Age: early Eocene.
Parent: Kallosphaeridium