Tenua biornata
From dinoflaj2
"biornata" Jiabo, 1978, p.52, pl.22, figs.21-29; pl.23, figs.1-4. 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 Tertiary.
Parent: Tenua_Eisenack 1958a_Eisenack 1958a
Infrataxon List:
