Multiplicisphaeridium robustum (Sannemann, 1955) Eisenack et al., 1973

Originally Hystrichosphaeridium, subsequently (and now) Multiplicisphaeridium; see also Baltisphaeridium (an acritarch genus; combination not validly published). Holotype: Sannemann, 1955, pl.6, fig.7
Age: Devonian (Late Givetian)