Hystrichosphaeridium hymenohystrichum
From dinoflaj3
?hymenohystrichum Zheng Yuefang and Liu Xuexian in Liu Zhili et al., 1992, p.71, pl.14, figs.3–5. Holotype: Liu Zhili et al., 1992, pl.14, fig.5. Questionable assignment: Zheng Yuefang and Liu Xuexian in Liu Zhili et al. (1992, p.71). Age: Early Tertiary.
Parent: Hystrichosphaeridium