Multiplicisphaeridium lewisii (Deunff, 1954) Elaouad-Debbaj, 1978

Originally Hystrichosphaeridium, subsequently Baltisphaeridium (an acritarch genus), thirdly (and now) Multiplicisphaeridium; see also Ammonidium (an
acritarch genus; combination not validly published).
Holotype: Deunff, 1954, fig.3
Age: Middle Devonian