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Impletosphaeridium elongatum

Impletosphaeridium elongatum Lentin and Williams, 1989, p.197.

TYPE: Holotype: Jiabo, 1978, pl.29, fig.2.

HISTORY: Originally Bipolaribucina oblongatum, subsequently Impletosphaeridium oblongatum (combination illegitimate), thirdly Impletosphaeridium elongatum. Substitute name for Impletosphaeridium oblongatum (Jiabo, 1978, p.58, pl.29, figs.1-3) Chen et al., 1988, p.7 (an illegitimate name).

AGE: Early Tertiary.


Infraspecific taxa:


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