Amphorosphaeridium multispinosum
From dinoflaj2
?multispinosum (Davey and Williams, 1966b, p.89-90, pl.3, fig.6) Sarjeant, 1981, p.123. Holotype: Davey and Williams, 1966b, pl.3, fig.6; Bujak et al., 1980, pl.7, figs.1-2. Originally Cordosphaeridium, subsequently (and now) Amphorosphaeridium?. Questionable assignment: Sarjeant (1981, p.123). Age: Early Eocene.
Parent: Amphorosphaeridium