Pervosphaeridium monasteriense Yun Hyesu, 1981, p.27-28, pl.5, figs.3,5,8; text-fig.7.
TYPE: Holotype: Yun Hyesu, 1981, pl.5, fig.3; Fensome et al., 1991, fig.1 - p.681.
AGE: Early Santonian.