Truncatisphaeridium Appendix A

</I><I>TRUNCATISPHAERIDIUM Riding and Duxbury, 1993, p.58–59.  Acritarch genus.  Type: Riding and Duxbury, 1993, pl.1, figs.1–2, as Truncatisphaeridium clevelandense.

Species List:

*Truncatisphaeridium clevelandense Appendix A