Corrudinium incompositum
From dinoflaj3
*incompositum (Drugg, 1970b, p.810–811, figs.1E–O,2A) Stover and Evitt, 1978, p.149. Holotype: Drugg, 1970b, figs.1I–J; Eisenack and Kjellström, 1975a, page labelled "nach S.306d"; Jan du Chêne et al., 1986a, pl.17, figs.1–?2; Fensome et al., 1995, figs.1–2 — p.1561. Originally Gonyaulacysta, subsequently Leptodinium, thirdly (and now) Corrudinium. Age: Oligocene.