Evittia mala (Cramer, 1964) Lister, 1970

Now Rhacobrachion (an acritarch genus). Originally Baltisphaeridium (an acritarch genus), subsequently Evittia, thirdly Multiplicisphaeridium (an acritarch genus), fourthly (and now) Rhacobrachion (an acritarch genus); see also Hystrichosphaeridium (combination not validly published).
Holotype: Cramer, 1964, pl.1, fig.8
Age: Silurian (Ludlow)