Corradinisphaeridium horridum (Deflandre, 1937) Masure, 1986; emend. Masure, 1986

Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly (and now) Corradinisphaeridium.
Tax. sr. synonym of Fibrocysta? mutinensis (Corradini, 1973) Stover and Evitt, 1978, according to Masure, (1986.
Holotype: Deflandre, 1937, pl.15 [al. pl.12], figs.7-8; Masure, 1986, pl.1, figs.4-6, text-fig.2
Age: Senonian