Palaeoperidinium pilum
From dinoflaj3
"pilum" Gocht, 1959, p.56, pl.6, fig.14; pl.8, fig.8. Holotype: Gocht, 1959, pl.6, fig.14; Jan du Chêne et al., 1986a, pl.73, figs.7–8. Name not validly published: generic name not validly published until 1967. NOW Leptodinium?. Originally Palaeoperidinium (name not validly published), subsequently Gonyaulacysta?, thirdly (and now) Leptodinium?. N.I.A. Age: Valanginian.
Parent: Palaeoperidinium