Hystrichosphaeridium spiculare Jagielska, 1962a

This taxon probably represents acritarchs. Fensome et al., 1990, retained it in Hystrichosphaeridium pending a more appropriate generic assignment.
This species was also cited as new in Jagielska, 1962b, but no description was provided.
Holotype: Jagielska, 1962a, pl.5, fig.6a
Age: Ordovician (Arenig-Caradoc)