Sicyoidium Appendix A

SICYOIDIUM He Chengquan, 1980, p.8.  Acritarch genus.  Type: He Chengquan, 1980, pl.1, fig.21, as Sicyoidium ansatum.

Species List:

*Sicyoidium ansatum Appendix A
Sicyoidium circulare Appendix A
Sicyoidium opimum Appendix A