Baltisphaeridium? astartes, (Sannemann, 1955), Eisenack et al., 1973

Now Buedingiisphaeridium (an acritarch genus). Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly (and now) Buedingiisphaeridium (an acritarch genus). Eisenack et al., 1973 questionably included this species in Baltisphaeridium.

Holotype: Sannemann, 1955, pl.4, fig.1
Age: Devonian (Late Givetian)