Scriniodinium irisiae
From dinoflaj3
"?irisiae" Kjellström, 1973, p.40–42, fig.34. Holotype: Kjellström, 1973, fig.34; Jan du Chêne et al., 1986a, pl.46, fig.8. NOW Hystrichosphaeropsis. Originally Scriniodinium?, subsequently (and now) Hystrichosphaeropsis. Questionable assignment: Kjellström (1973, p.40). Age: middle-late Maastrichtian.
Parent: Scriniodinium