Areosphaeridium coniunctum
From dinoflaj2
"coniunctum" Prössl, 1992b, p.106-108, pl.2, figs.1-2,4-5,7,9,12-14; pl.3, figs.1,4,7,12-14. Holotype: Prössl, 1992b, pl.3, figs.1,4,7; Fauconnier and Masure, 2004, pl.8, figs.1-3. NOW Cooksonidium. Originally Areosphaeridium, subsequently (and now) Cooksonidium. Age: Mid Eocene.
Parent: Areosphaeridium