Impletosphaeridium densicomatum
From dinoflaj2
"?densicomatum" (Maier, 1959, p.307-308, pl.29, figs.7-8) Morgenroth, 1966a, p.33. Emendation: Sarjeant, 1983, p.111-113, as Sentusidinium densicomatum. Holotype: Maier, 1959, pl.29, fig.7. NOW Pilosidinium. Originally Galea (generic name illegitimate), subsequently Baltisphaeridium (Appendix A), thirdly Impletosphaeridium, fourthly Impletosphaeridium?, fifthly Sentusidinium, sixthly (and now) Pilosidinium. Questionable assignment: Lentin and Williams (1973, p.82). Age: mid Oligocene-Mid Miocene.
Parent: Impletosphaeridium