Cordosphaeridium commune
From dinoflaj2
commune Corradini, 1973, p.151, pl.22, figs.1a-b; pl.33, figs.1,3. Holotype: Corradini, 1973, pl.22, figs.1a-b. Originally (and now) Cordosphaeridium, subsequently Achomosphaera. Lentin and Williams (1985, p.70) retained this species in Cordosphaeridium. Age: Late Cretaceous-Paleocene.
Parent: Cordosphaeridium
