Cleistosphaeridium cephalum

"cephalum" Kar, 1985, p.181, pl.40, figs.1–2; pl.41, fig.1.  Holotype: Kar, 1985, pl.40, fig.1.  Taxonomic senior synonym: Baltisphaeridium (as Operculodinium) israelianum, according to Jain and Garg (1991, p.78).  Age: early Eocene.

Parent: Cleistosphaeridium