Chatangiella biapertura
From dinoflaj2
?biapertura (McIntyre, 1975, p.66, pl.3, figs.5-8) Lentin and Williams, 1976, p.53. Holotype: McIntyre, 1975, pl.3, figs.5-6. Originally Deflandrea, subsequently (and now) Chatangiella?. Questionable assignment: Lentin and Williams (1976, p.53). Age: Campanian-Maastrichtian.
Parent: Chatangiella