Imbatodinium radiculatum
From dinoflaj2
"radiculatum" (Davey, 1982b, p.21-22, pl.5, figs.1,7-9) Mehrotra and Sarjeant, 1984a, p.153. Holotype: Davey, 1982b, pl.5, fig.8. Originally Batioladinium, subsequently Imbatodinium. Taxonomic senior synonym: Broomea (as Necrobroomea, now Batioladinium) longicornuta, according to Below (1990, p.53). Age: Early-Late Ryazanian.
Parent: Imbatodinium