Deflandrea arcuata subsp. oporiensis
From dinoflaj2
subsp. oporiensis (Grigorovich, 1971, p.92, pl.1, fig.5) Lentin and Williams, 1977b, p.40. Holotype: Grigorovich, 1971, pl.1, fig.5. Originally Deflandrea arcuata forma oporiensis, subsequently (and now) Deflandrea arcuata subsp. oporiensis. Age: Eocene. Parent: Deflandrea arcuata