Multiplicisphaeridium ramusculosum (Deflandre, 1945) Lister, 1970; emend. Lister, 1970

Now Oppilatala (an acritarch genus). Originally Hystrichosphaeridium,
subsequently Baltisphaeridium (an acritarch genus), thirdly Multiplicisphaeridium, fourthly (and now) Oppilatala (an acritarch genus); see also Evittia (an acritarch genus; combination not validly published) and Peteinosphaeridium (an acritarch genus; combination not validly published).
Holotype: Deflandre, 1945, pl.1, figs.8-10
Age: Silurian