Lanternosphaeridium essentiale
From dinoflaj3
"essentiale" de Coninck, 1969, p.38, pl.11, figs.7–8. Holotype: de Coninck, 1969, pl.11, figs.7–8. NOW Fibrocysta. Originally Lanternosphaeridium, subsequently Kenleyia?, thirdly (and now) Fibrocysta. Age: early Eocene.
Parent: Lanternosphaeridium