Palaeohystrichodinium cavispineum

cavispineum Zheng Yuefang and Liu Xuexian in Liu Zhili et al., 1992, p.76, pl.7, fig.29; text-fig.6.  Holotype: Liu Zhili et al., 1992, pl.7, fig.29; text-fig.6.  Age: early Tertiary.

Parent: Palaeohystrichodinium