Hystrichokolpoma tridactylites
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"tridactylites" (Valensi, 1955a, p.37–38, fig.1D) Williams and Downie, 1966a, p.181. Holotype: Valensi, 1955a, fig.1D. Combination not validly published: basionym not fully referenced. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Hystrichokolpoma (combination not validly published), fourthly Achomosphaera, fifthly Silicisphaera, sixthly (and now) Florentinia. Age: Cretaceous.
Parent: Hystrichokolpoma