Florentinia truncigera (Deflandre, 1937) Below, 1982

NOW Raetiaedinium. Originally Hystrichosphaeridium, subsequently Litosphaeridium?, thirdly Cordosphaeridium, fourthly Exochosphaeridium, fifthly Pervosphaeridium, sixthly Tityrosphaeridium?, seventhly Florentinia, eighthly Pervosphaeridium?, ninthly (and now) Raetiaedinium.
Taxonomic senior synonym: Xanthidium (now Hystrichokolpoma) crassipes, by implication in Yun Hyesu (1981, p.27), who considered Florentinia (as Pervosphaeridium) truncigera to be the senior name - however, Lentin and Williams (1985, p.282) retained Florentinia (as Pervosphaeridium) truncigera.
Taxonomic junior synonym: Laticavodinium latispinosum (name not validly published), according to Slimani (2001a, p.194).

Holotype: Deflandre, 1937, pl.13, fig.6
Age: Senonian