Hystrichosphaeridium spiciferum Deunff, 1955

Now Multiplicisphaeridium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly (and now) Multiplicisphaeridium. See also Evittia (combination not validly published) and Veryhachium (combination not validly published).
Holotype: Deunff, 1955, pl.3, fig.1
Age: Middle Devonian