Omanodinium tholus

"tholus" Bradford, 1975, p.3072,3074, figs.17–22. Holotype: Bradford, 1975, fig.17. NOW Selenopemphix. Originally Omanodinium, subsequently Protoperidinium subgenus Protoperidinium section Selenopemphix (combination not validly published; Appendix B), thirdly Selenopemphix (combination not validly published), fourthly (and now) Selenopemphix. N.I.A. Age: Holocene.