Cordosphaeridium filosum
From dinoflaj2
"filosum" Wilson, 1967a, p.66, figs.2b,31-32,34. Holotype: Wilson, 1967a, figs.2b,32. NOW Turbiosphaera. Originally Cordosphaeridium, subsequently (and now) Turbiosphaera. Age: Paleocene-Oligocene.
Parent: Cordosphaeridium