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Appendix A

Baltisphaeridium reginaldii

"Baltisphaeridium reginaldii" (Mantell, 1844, p.240; text-fig.53, no.5) Downie and Sarjeant, 1965, p.95.

EMENDATION: Sarjeant, 1967c, p.244-245, as Hystrichosphaera reginaldii.

TYPE: Holotype: Mantell, 1844, text-fig.53, no.5; Sarjeant, 1967c, figs.3A-B,4-5; Sarjeant, 1992a, figs.2,4a-b.

HISTORY: NOW: Spiniferites?. Originally Xanthidium (Appendix A), subsequently Spiniferites, thirdly Hystrichosphaera, fourthly Baltisphaeridium, fifthly (and now) Spiniferites?.

COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.92), since these authors did not fully reference the basionym.

AGE: Late Cretaceous.


Infraspecific taxa:


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