Tapeinosphaeridium granulatum
From dinoflaj2
"granulatum" Ioannides et al., 1977, p.462, pl.4, figs.18-19. Holotype: Ioannides et al., 1977, pl.4, fig.18. NOW Pyxidinopsis. Originally Tapeinosphaeridium, subsequently Tectatodinium?, thirdly (and now) Pyxidinopsis. Age: mid Kimmeridgian.
Parent: Tapeinosphaeridium