Hystrichokibotium trabeculiferum
From dinoflaj3
"trabeculiferum" Deflandre and Cookson, 1955, p.269, pl.8, fig.6. Holotype: Deflandre and Cookson, 1955, pl.8, fig.6. NOW Spiniferites?. Originally Hystrichokibotium, subsequently Spiniferites, thirdly (and now) Spiniferites?. Age: middle Miocene.
Parent: Hystrichokibotium