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Cleistosphaeridium bifide
Cleistosphaeridium? bifide, (Jiabo, 1978), Lentin and Williams, 1981
Now Sentusidinium. Originally Tenua Eisenack, 1958, subsequently Cleistosphaeridium?, thirdly (and now) Sentusidinium.
At the time of the transfer, Lentin and Williams, 1981, questionably included this species in Cleistosphaeridium.
Holotype: Jiabo, 1978, pl.22, fig.8
Age: Early Tertiary
Now Sentusidinium. Originally Tenua Eisenack, 1958, subsequently Cleistosphaeridium?, thirdly (and now) Sentusidinium.
At the time of the transfer, Lentin and Williams, 1981, questionably included this species in Cleistosphaeridium.
Holotype: Jiabo, 1978, pl.22, fig.8
Age: Early Tertiary