Adnatosphaeridium williereae
From dinoflaj3
?williereae de Coninck, 1975, p.49, pl.2, figs.9–11. Holotype: de Coninck, 1975, pl.2, figs.10–11; Fauconnier and Masure, 2004, pl.1, fig.5. Questionable assignment: de Coninck (1975, p.49). Age: Ypresian.
Parent: Adnatosphaeridium