Leiosphaera Appendix A
From dinoflaj2
"LEIOSPHAERA" Eisenack, 1938a, p.12,22-24. Acritarch genus. Taxonomic senior synonym: Tasmanites (Appendix A), according to Schopf et al. (1944, p.18). Type: Eisenack, 1931, pl.5, fig.2, as Bion solida.