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Downiesphaeridium flexuosum

Downiesphaeridium flexuosum (Davey et al., 1966, p.169, pl.2, fig.5) Islam, 1993, p.84.

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

HISTORY: Originally Cleistosphaeridium?, subsequently Polysphaeridium?, thirdly Cleistosphaeridium, fourthly (and now) Downiesphaeridium.

AGE: Cenomanian.


Infraspecific taxa:


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