Cordosphaeridium uncinispinosum
From dinoflaj2
"?uncinispinosum" de Coninck, 1969, p.32-33, pl.9, figs.6-8. Holotype: de Coninck, 1969, pl.9, figs.6-8. NOW Operculodinium. Originally Cordosphaeridium, subsequently Cordosphaeridium?, thirdly Cleistosphaeridium, fourthly (and now) Operculodinium. Questionable assignment: Stover and Evitt (1978, p.147) as a problematic species. Age: Early Eocene.
Parent: Cordosphaeridium
