Achomosphaera communis
From dinoflaj3
"communis" (Corradini, 1973, p.151, pl.22, figs.1a–b; pl.33, figs.1,3) Sarjeant, 1981, p.122. Holotype: Corradini, 1973, pl.22, figs.1a–b. NOW Cordosphaeridium. Originally (and now) Cordosphaeridium, subsequently Achomosphaera. Lentin and Williams (1985, p.3) retained this species in Cordosphaeridium. Age: Late Cretaceous.
Parent: Achomosphaera