Achomosphaera tridactylites, (Valensi, 1955a, p. 37-38, fig.1D), Deflandre and Sarjeant, 1970, p. 1.

NOW Florentinia. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Hystrichokolpoma (combination not validly published), fourthly Achomosphaera, fifthly Silicisphaera, sixthly (and now) Florentinia.

Holotype: Valensi, 1955a, fig.1D.
Age: Cretaceous.