Prolixosphaeridium inequiornatum
From dinoflaj3
inequiornatum Stover and Helby, 1987c, p.246, figs.18A–H. Holotype: Stover and Helby, 1987c, figs.18C–E; Fensome et al., 1996, figs.3–5 — p.2165. Age: late Hauterivian–Barremian.