Sentusidinium biornatum
From dinoflaj2
"biornatum" (Jiabo, 1978, p.52, pl.22, figs.21-29; pl.23, figs.1-4) He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p.67. Holotype: Jiabo, 1978, pl.22, fig.24. NOW Batiacasphaera biornata. Originally Tenua biornata, subsequently Kallosphaeridium biornatum (combination not validly published), thirdly Kallosphaeridium biparatum, fourthly (and now) Batiacasphaera biornata, fifthly Sentusidinium biornatum. Age: Early Oligocene.
Parent: Sentusidinium
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