Dracodinium politum subsp. spinulum
From dinoflaj3
"subsp. spinulum" Islam, 1983a, p.236, pl.2, fig.4. NOW Petalodinium spinulum. Originally Dracodinium politum subsp. spinulum, subsequently (and now) Petalodinium spinulum. Holotype: Islam, 1983a, pl.2, fig.4. Age: early Eocene.
Parent: Dracodinium politum