Dilatisphaera Appendix A
From dinoflaj2
DILATISPHAERA Lister, 1970, p.65. Acritarch genus. Taxonomic senior synonym: Hystrichosphaeridium, according to Eisenack et al. (1973, p.407) - however, Cramer and Diez (1979, p.76) retained Dilatisphaera. Type: Lister, 1970, pl.6, fig.10, as Dilatisphaera laevigata.
