Cleistosphaeridium? brevispinosum, Jain and Millepied, 1975

NOW Sentusidinium? millepiedii. Originally Cleistosphaeridium? brevispinosum, subsequently Sentusidinium brevispinosum (combination illegitimate), thirdly Sentusidinium? brevispinosum (combination illegitimate), fourthly (and now) Sentusidinium? millepiedii. Questionable assignment: Stover and Evitt (1978, p.31).

Holotype: Jain and Millepied, 1975, pl.5, figs.80-81
Age: Aptian