Batiacasphaera jiaboi
From dinoflaj3
"jiaboi" Lentin and Williams, 1989, p.35. Name not validly published: incorrect citation for the substitute name for Batiacasphaera minor (Jiabo). NOW Sentusidinium minus. Originally Tenua hystrix subsp. minor, subsequently Kallosphaeridium? minus, thirdly Batiacasphaera minor (combination illegitimate), fourthly Batiacasphaera sinensis, fifthly Batiacasphaera jiaboi (name not validly published), sixthly (and now) Sentusidinium minus. Age: Early Tertiary.
Parent: Batiacasphaera