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Polysphaeridium flexuosum

"Polysphaeridium? flexuosum" (Davey et al., 1966, p.169, pl.2, fig.5) Below, 1982c, p.28.

EMENDATION: Sarkar and H.P. Singh, 1988, p.39, as Cleistosphaeridium flexuosum.

TYPE: Holotype: Davey et al., 1966, pl.2, fig.5.

HISTORY: NOW: Downiesphaeridium. Originally Cleistosphaeridium?, subsequently Polysphaeridium?, thirdly Cleistosphaeridium, fourthly (and now) Downiesphaeridium. Questionable assignment: Below (1982c, p.28).

AGE: Cenomanian.


Infraspecific taxa:


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DINOFLAJ (c) 1998