Palaeohystrichodinium quadratum He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p.57, pl.16, figs.1-3.
TYPE: Holotype: He Chengquan et al., 1989, pl.16, fig.1. AGE: Early Tertiary.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |