Tenua dubia
From dinoflaj3
"dubia" Jain and Millepied, 1975, p.152, pl.5, figs.75–76. Holotype: Jain and Millepied, 1975, pl.5, fig.76. NOW Cyclonephelium?. Originally Tenua Eisenack, subsequently Cyclonephelium, thirdly (and now) Cyclonephelium?. Age: Campanian–Maastrichtian.
Parent: Tenua_Eisenack 1958a