Dinogymnium elongatum
From dinoflaj3
"elongatum" May, 1977, p.112,114, pl.2, figs.11–12. Holotype: May, 1977, pl.2, figs.11–12. NOW Yolkinigymnium. Originally Dinogymnium, subsequently (and now) Yolkinigymnium. Age: late Campanian–early Maastrichtian.
Parent: Dinogymnium