Hystrichosphaeridium sibiricum Timofeev, 1966

Now Peteinosphaeridium?. Originally Hystrichosphaeridium, subsequently (and now) Peteinosphaeridium?.
This was a nomen nudum in Timofeev, 1963.
Holotype: Timofeev, 1966, pl.9, fig.3
Age: Late Ordovician