Filisphaeridium Appendix A
From dinoflaj3
FILISPHAERIDIUM Staplin et al., 1965, p.192. Acritarch genus. For synonymy see Fensome et al. (1990, p.223). Type: Jansonius, 1962, pl.16, fig.50, as Micrhystridium setasessitante.
Species List: