Ovum hispidum subsp. hirsutum Appendix A
"subsp. hirsutum" (Ehrenberg, 1838, p.109-135, pl.1, fig.13) Eisenack, 1931, p.111. Name not validly published: Ehrenberg (1838) did not intend to introduce a new species and specific name not validly published. Originally Xanthidium hirsutum (name not validly published, Appendix A), subsequently Ovum hispidum subsp. hirsutum (name not validly published, Appendix A), thirdly Hystrichosphaera hirsuta (name not validly published), fourthly Hystrichosphaeridium hirsutum (name not validly published), fifthly Baltisphaeridium hirsutum (name not validly published, Appendix A), sixthly Operculodinium hirsutum (name not validly published), seventhly Operculodinium? hirsutum (name not validly published). See discussion under Operculodinium? hirsutum. Age: Late Cretaceous.Ovum hispidum