Florisphaeridium huecospinosum (Cramer, 1964) Eisenack et al., 1973

Now Umbellasphaeridium (an acritarch genus). Originally Hystrichosphaeridium?, subsequently Florisphaeridium, thirdly (and now) Umbellasphaeridium (an acritarch genus); see also Baltisphaeridium (an acritarch genus; combination not
validly published).
Holotype: Cramer, 1964, pl.6, fig.2
Age: Devonian (Emsian)