Hystrichosphaeridium? insigne Fridriksone, 1971

Now Skiagia. Originally Hystrichosphaeridium?, subsequently Baltisphaeridium, thirdly (and now) Skiagia.
Fridriksone, 1971, questionably included this species in Hystrichosphaeridium.
Holotype: Fridriksone, 1971, pl.2, fig.10
Age: Early-Middle Cambrian