Paragonyaulacysta borealis
From dinoflaj2
?borealis (Brideaux and Fisher, 1976, p.21-22, pl.3, figs.3-4,6-9; pl.4, figs.1-8) Stover and Evitt, 1978, p.116. Holotype: Brideaux and Fisher, 1976, pl.3, figs.3,6,8. Originally Pareodinia, subsequently Paragonyaulacysta, thirdly (and now) Paragonyaulacysta?. Questionable assignment: Below (1990, p.60). Age: Late Oxfordian-Berriasian.
Parent: Paragonyaulacysta