From Fensome et al., 2019:
Corradinisphaeridium horridum (Deflandre, 1937b, p.74, pl.15 [also labelled pl.12], figs.7–8) Masure, 1986, p.112. Emendation: Masure, 1986, p.112–113, as Corradinisphaeridium horridum. Holotype: Deflandre, 1937b, pl.15 (also labelled pl.12), figs.7–8; Masure, 1986, pl.1, figs.4–6 and text-fig.2. Originally Hystrichosphaeridium, subsequently
Baltisphaeridium (Appendix A), thirdly (and now) Corradinisphaeridium. Taxonomic junior synonym:
Lanternosphaeridium (as Fibrocysta?) mutinense, according to Masure (1986, p.112). Age: Senonian.

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