Xanthidium furcatum Appendix A
From dinoflaj2
"furcatum" Ehrenberg, 1838, pl.1, figs.12,14. Holotype: not designated. Originally Xanthidium furcatum, subsequently Hystrichosphaera furcata, thirdly Ovum hispidum subsp. furcatum (combination not validly published), fourthly Spiniferites furcatus (combination not validly published). Taxonomic senior synonym: Xanthidium (now Spiniferites) ramosum, according to Davey and Williams (1966a, p.29-33). Taxonomic junior synonym: Geodia? tripunctata (Appendix A), according to Sarjeant (1964a, p.175). Age: Late Cretaceous.
Parent: Xanthidium