Cannosphaeropsis aemula subsp. aemula

"subsp. aemula".  Autonym.  Holotype: Deflandre, 1939a, pl.11, fig.1; Eisenack and Kjellström, 1972, figure to left on p.43; Fensome et al., 1995, fig.1 — p.1473; fig.2 — p.1475.  NOW Rigaudella aemula subsp. aemula.  Originally Cannosphaeropsis aemula subsp. aemula, subsequently Adnatosphaeridium aemulum subsp. aemulum, thirdly (and now) Rigaudella aemula subsp. aemula.

Parent: Cannosphaeropsis aemula