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Polysphaeridium caminuspinum

"Polysphaeridium? caminuspinum" (Wall, 1965a, p.165, pl.9, fig.4) Riley and Sarjeant, 1972, p.3.

TYPE: Holotype: Wall, 1965a, pl.9, fig.4.

HISTORY: NOW: Beaumontella?. Originally Hystrichosphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium?, fourthly (and now) Beaumontella?. Questionable assignment: Riley and Sarjeant (1972, p.3).

SYNONYM(S): Taxonomic junior synonym: Cleistosphaeridium mojsisovicsii, according to Below (1987a, p.70).

AGE: Early Sinemurian.


Infraspecific taxa:


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