Hystrichosphaeridium dowlingii
From dinoflaj3
dowlingii Harland, 1973, p.681, pl.85, fig.1; text-fig.10. Holotype: Harland, 1973, pl.85, fig.1; Fauconnier and Masure, 2004, pl.44, fig.7. Age: late Campanian.
Parent: Hystrichosphaeridium