Kallosphaeridium biparatum
From dinoflaj2
"biparatum" Lentin and Williams, 1981, p.160. 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. Substitute name for Tenua biornata Jiabo, 1978, p.52, pl.22, figs.21-29; pl.23, figs.1-4 (an illegitimate name). Age: Early Tertiary.
Parent: Kallosphaeridium
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