Hystrichosphaeridium tridactylites
From dinoflaj3
"tridactylites" Valensi, 1955a, p.37–38, fig.1D. Holotype: Valensi, 1955a, fig.1D. NOW Florentinia. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Hystrichokolpoma (combination not validly published), fourthly Achomosphaera, fifthly Silicisphaera, sixthly (and now) Florentinia. Age: Cretaceous.
Parent: Hystrichosphaeridium