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Kallosphaeridium biornatum*
Kallosphaeridium biornatum (Jiabo, 1978) Lentin and Williams, 1981
Combination not validly published, since Lentin and Williams, 1981, did not fully reference the basionym.
NOW Sentusidinium biornatum. Originally Tenua biornata, subsequently Kallosphaeridium biornatum (combination not validly published), thirdly Kallosphaeridium biparatum, fourthly Batiacasphaera biornata, fifthly (and now) Sentusidinium biornatum.
Holotype: Jiabo, 1978, pl.22, fig.24
Age: Early Tertiary.
Combination not validly published, since Lentin and Williams, 1981, did not fully reference the basionym.
NOW Sentusidinium biornatum. Originally Tenua biornata, subsequently Kallosphaeridium biornatum (combination not validly published), thirdly Kallosphaeridium biparatum, fourthly Batiacasphaera biornata, fifthly (and now) Sentusidinium biornatum.
Holotype: Jiabo, 1978, pl.22, fig.24
Age: Early Tertiary.