Chytroeisphaeridia explanata
From dinoflaj3
"explanata" Bujak in Bujak et al., 1980, p.44, pl.13, figs.13–14. Holotype: Bujak et al., 1980, pl.13, figs.13–14. NOW Batiacasphaera. Originally Chytroeisphaeridia, subsequently (and now) Batiacasphaera. Age: middle Eocene (see Aubry, 1986).
Parent: Chytroeisphaeridia