Bipolaribucina oblongata
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"oblongata" Jiabo, 1978, p.58, pl.29, figs.1-3. Holotype: Jiabo, 1978, pl.29, fig.2. NOW Peltiphoridium oblongatum. Originally Bipolaribucina oblongata, subsequently Impletosphaeridium oblongatum (combination illegitimate), thirdly Impletosphaeridium elongatum, fourthly (and now) Peltiphoridium oblongatum. Age: Early Tertiary.
Parent: Bipolaribucina