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Tityrosphaeridium truncigerum
Tityrosphaeridium? truncigerum (Deflandre, 1937) Sarjeant, 1981
NOW Raetiaedinium. Originally Hystrichosphaeridium, subsequently Litosphaeridium?, thirdly Cordosphaeridium, fourthly Exochosphaeridium, fifthly Pervosphaeridium, sixthly Tityrosphaeridium?, seventhly Florentinia, eighthly Pervosphaeridium?, ninthly (and now) Raetiaedinium. Questionable assignment: Sarjeant (1981, p.121).
Taxonomic senior synonym: Xanthidium (now Hystrichokolpoma) crassipes, by implication in Yun Hyesu (1981, p.27) who considered Tityrosphaeridium (as Pervosphaeridium) truncigerum to be the senior name — however, Lentin and Williams (1985, p.282) retained Tityrosphaeridium (as Pervosphaeridium) truncigerum.
Taxonomic junior synonym: Laticavodinium latispinosum (name not validly published), according to Slimani (2001a, p.194).
Holotype: Deflandre, 1937, pl.13 [al. pl.10], fig.6
Age: Senonian
NOW Raetiaedinium. Originally Hystrichosphaeridium, subsequently Litosphaeridium?, thirdly Cordosphaeridium, fourthly Exochosphaeridium, fifthly Pervosphaeridium, sixthly Tityrosphaeridium?, seventhly Florentinia, eighthly Pervosphaeridium?, ninthly (and now) Raetiaedinium. Questionable assignment: Sarjeant (1981, p.121).
Taxonomic senior synonym: Xanthidium (now Hystrichokolpoma) crassipes, by implication in Yun Hyesu (1981, p.27) who considered Tityrosphaeridium (as Pervosphaeridium) truncigerum to be the senior name — however, Lentin and Williams (1985, p.282) retained Tityrosphaeridium (as Pervosphaeridium) truncigerum.
Taxonomic junior synonym: Laticavodinium latispinosum (name not validly published), according to Slimani (2001a, p.194).
Holotype: Deflandre, 1937, pl.13 [al. pl.10], fig.6
Age: Senonian