Membranilarnacia donaensis
From dinoflaj2
"donaensis" Saxena and Rao, 1984, p.55, pl.1, figs.8-9. Holotype: Saxena and Rao, 1984, pl.1, fig.8. Taxonomic senior synonym: Pterospermopsis (as and now Tuberculodinium) vancampoae, according to Jain and Garg (1990, p.108). Age: Early Miocene.
Parent: Membranilarnacia