Tenua bellula
From dinoflaj3
"bellula" Jiabo, 1978, p.51, pl.23, figs.14–16. Holotype: Jiabo, 1978, pl.23, fig.15. NOW Batiacasphaera?. Originally Tenua Eisenack, subsequently Kallosphaeridium?, thirdly Batiacasphaera, fourthly (and now) Batiacasphaera?, fifthly Sentusidinium. Age: Early Tertiary.
Parent: Tenua_Eisenack 1958a