Hystrichosphaeridium? aquitanicum Deunff, 1961

Originally Hystrichosphaeridium, subsequently (and now) Hystrichosphaeridium?.
Stover and Evitt, 1978, considered this to be a problematical species of Hystrichosphaeridium.
Questionable assignment: Davey and Williams (1966b, p.70); and Masure and Foucher in Fauconnier and Masure (2004, p.310) as a problematic species.

Holotype: Deunff, 1961, pl.2, figs.12-13
Age: Cretaceous