Oligosphaeridium junctum
From dinoflaj3
?junctum Bailey and Loy, 1997, p.159,162, pl.1, figs.1–4; pl.2, figs.1–4; text-fig.2. Holotype: Bailey and Loy, 1997, pl.1, figs.1–3. Originally Oligosphaeridium, subsequently (and now) Oligosphaeridium?. Questionable assignment: Fauconnier and Cornu in Fauconnier and Masure (2004, p.402). Age: early–late Hauterivian.
Parent: Oligosphaeridium