Diacrocanthidium costatum Appendix A
From dinoflaj2
?costatum Habib and Knapp, 1982, p.366, pl.11, figs.1-3. Holotype: Habib and Knapp, 1982, pl.11, figs.1,3. Questionable assignment: Habib and Knapp (1982, p.366). Age: Early Hauterivian.
Parent: Diacrocanthidium