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Systematophora austinii

"Systematophora? austinii" (Merrill, 1895, p.6, text-fig.11) Sarjeant, 1964a, p.175.

TYPE: Holotype: Merrill, 1895, text-fig.11.

HISTORY: Originally Geodia? (Appendix A), subsequently Systematophora?. Questionable assignment: Sarjeant (1964a, p.175).

SYNONYM(S): Taxonomic senior synonym: Xanthidium (as Hystrichosphaera, now Spiniferites, according to Sarjeant (1966a, p.5).

AGE: Early Cretaceous.


Infraspecific taxa:


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