Operculodinium punctatum
From dinoflaj2
?punctatum Cookson and Eisenack, 1971, p.220, pl.9, fig.6. Holotype: Cookson and Eisenack, 1971, pl.9, fig.6. Questionable assignment: Cookson and Eisenack (1971, p.220). Partridge in Lentin and Williams (1985, p.262) considered this species to be an acritarch. Age: Albian-Cenomanian.
Parent: Operculodinium