Operculodinium rarispinosum

?rarispinosum Cookson and Eisenack, 1971, p.220–221, pl.9, figs.7–8.  Holotype: Cookson and Eisenack, 1971, pl.9, fig.7.  Questionable assignment: Cookson and Eisenack (1971, p.220–221).  Partridge in Lentin and Williams (1985, p.262) considered this species to be an acritarch.  Age: Albian–Cenomanian.

Parent: Operculodinium