Hystrichosphaeridium radiculatum
From dinoflaj3
"radiculatum" Davey and Williams, 1966b, p.65, pl.7, fig.9; pl.8, fig.6. Emendation: Davey and Verdier, 1976, p.318, as Florentinia radiculata. Holotype: Davey and Williams, 1966b, pl.8, fig.6; Davey and Verdier, 1973, pl.4, fig.7. NOW Florentinia. Originally Hystrichosphaeridium, subsequently (and now) Florentinia. Taxonomic junior synonym: Coronifera kaiseri, according to Below (1982c, p.9). Age: late Cenomanian.
Parent: Hystrichosphaeridium