Sentusidinium minus
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minus (Jiabo, 1978, p.52-53, pl.23, figs.5-7) He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p.68. Holotype: Jiabo, 1978, pl.23, fig.5. 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. Lentin and Williams (1993, p.56) retained this species in Batiacasphaera, but He Chengquan et al. (2009, p.251) retained it in Sentusidinium. Age: early Tertiary.
Parent: Sentusidinium