Tenua biornata
From dinoflaj3
"biornata" Jiabo, 1978, p.52, pl.22, figs.21–29; pl.23, figs.1–4. Holotype: Jiabo, 1978, pl.22, fig.24. NOW Sentusidinium biornatum. Originally Tenua biornata, subsequently Kallosphaeridium biornatum (combination not validly published), thirdly Kallosphaeridium biparatum, fourthly Batiacasphaera biornata, fifthly (and now) Sentusidinium biornatum. Age: Early Tertiary.
Parent: Tenua_Eisenack 1958a
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