Hystrichosphaera reginaldii
From dinoflaj3
"reginaldii" (Mantell, 1844, p.240; text-fig.53, no.5) Sarjeant, 1967c, p.244–245. Emendation: Sarjeant, 1967c, p.244–245, as Hystrichosphaera reginaldii. Holotype: Mantell, 1844, text-fig.53, no.5; Sarjeant, 1967c, figs.3A–B,4–5; Sarjeant, 1992a, figs.2,4a–b. NOW Spiniferites?. Originally Xanthidium (Appendix A), subsequently Spiniferites, thirdly Hystrichosphaera, fourthly Baltisphaeridium (Appendix A), fifthly (and now) Spiniferites?. Age: Late Cretaceous.
Parent: Hystrichosphaera