Lanternosphaeridium essentiale
From dinoflaj2
"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