Baltisphaeridium ferox (Deflandre, 1937) Downie and Sarjeant, 1965

Now Florentinia. Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Hystrichokolpoma, fourthly Silicisphaera, fifthly (and now) Florentinia. This combination was not validly published in Downie and Sarjeant, 1963 since these
authors did not fully reference the basionym.
Holotype: Deflandre, 1937, pl.14 [al. pl.11], figs.34
Age: Senonian