Batiacasphaera biornata subsp. biornata

subsp. biornata.  Autonym.  Holotype: Jiabo, 1978, pl.22, fig.24.  Originally Tenua biornata subsp. biornata, subsequently Kallosphaeridium biornatum subsp. biornatum (combination not validly published), thirdly Kallosphaeridium biparatum subsp. biparatum, fourthly (and now) Batiacasphaera biornata subsp. biornata, fifthly Sentusidinium biornatum subsp. biornatum. Parent: Batiacasphaera biornata