Batiacasphaera biornata
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biornata (Jiabo, 1978, p.52, pl.22, figs.21-29; pl.23, figs.1-4) Jan du Chêne et al., 1985a, p.15. Holotype: Jiabo, 1978, pl.22, fig.24. Originally Tenua biornata, subsequently Kallosphaeridium biornatum (combination not validly published), thirdly Kallosphaeridium biparatum, fourthly (and now) Batiacasphaera biornata, fifthly Sentusidinium biornatum. Lentin and Williams (1993, p.53) retained this species in Batiacasphaera. Age: Early Tertiary.
Parent: Batiacasphaera
Infrataxon List:
