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Sentusidinium varispinosum

"Sentusidinium? varispinosum" (Sarjeant, 1959, p.338-340, pl.13, fig.7; text-fig.6) Sarjeant and Stover, 1978, p.50.

TYPE: Holotype: Sarjeant, 1959, pl.13, fig.7; text-fig.6.

HISTORY: NOW: Impletosphaeridium. Originally Baltisphaeridium (Appendix A), subsequently Tenua Eisenack, thirdly Sentusidinium, fourthly Sentusidinium?, fifthly Cleistosphaeridium, sixthly (and now) Impletosphaeridium. Questionable assignment: Stover and Evitt (1978, p.81).

AGE: Early Callovian.


Infraspecific taxa:


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