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Hystrichokolpoma tridactylites
Hystrichokolpoma tridactylites (Valensi, 1955) Williams and Downie, 1966
Combination not validly published since Williams and Downie, 1966, did not fully reference the basionym.
Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Hystrichokolpoma (combination not validly published), fourthly Achomosphaera, fifthly Silicisphaera, sixthly (and now) Florentinia.
Holotype: Valensi, 1955, fig.1D
Age: Cretaceous
Combination not validly published since Williams and Downie, 1966, did not fully reference the basionym.
Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Hystrichokolpoma (combination not validly published), fourthly Achomosphaera, fifthly Silicisphaera, sixthly (and now) Florentinia.
Holotype: Valensi, 1955, fig.1D
Age: Cretaceous