Impletosphaeridium paucifurcatum
From dinoflaj3
"?paucifurcatum" (Cookson and Eisenack, 1982, p.39, pl.8, figs.5–6) Islam, 1993, p.86. Holotype: Cookson and Eisenack, 1982, pl.8, fig.5. NOW Spiniferites?. Originally Cleistosphaeridium, subsequently Impletosphaeridium?, thirdly (and now) Spiniferites?. Questionable assignment: Islam (1993, p.86). Age: Paleocene.
Parent: Impletosphaeridium