Batiacasphaera cephalum
From dinoflaj3
"?cephalum" (Kar, 1979, p.34, pl.4, figs.66a–b,67) Lentin and Williams, 1981, p.25. Holotype: Kar, 1979, pl.4, figs.66a–b. Originally Polysphaeridium, subsequently Sumatradinium, thirdly Batiacasphaera?. Lentin and Williams (1985, p.33) questionably retained this species in Batiacasphaera. Questionable assignment: Lentin and Williams (1981, p.25). Taxonomic senior synonym: Operculodinium placitum, according to Jain and Garg (1991, p.81). N.I.A. Age: Oligocene.
Parent: Batiacasphaera