Baltisphaeridium hirsutum Appendix A
"hirsutum" (Ehrenberg, 1838, pl.1, fig.13) Downie and Sarjeant, 1965, p.91. Name not validly published: Ehrenberg (1838) did not intend to introduce a new species. 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), sixthly Operculodinium hirsutum (name not validly published), seventhly Operculodinium? hirsutum (name not validly published). See discussion under Operculodinium? hirsutum. This name was not validly published additionally in Klement (1960, p.58), since that author did not fully reference the "basionym". Age: Late Cretaceous.
Parent: Baltisphaeridium