Trivalvadinium plenum
From dinoflaj2
"plenum" Islam, 1983c, p.90, pl.4, figs.4-6. Holotype: Islam, 1983c, pl.4, fig.5. NOW Jainiella. Originally Trivalvadinium, subsequently (and now) Jainiella. Age: Early Eocene.
Parent: Trivalvadinium