Hystrichosphaeridium oligacanthum subsp. velatum
From dinoflaj3
"subsp. velatum" Wetzel, 1952, p.403–404, pl.A, fig.7; text-fig.24. Emendation: Sarjeant, 1984c, p.133, as Cauca? velata. Holotype: Wetzel, 1952, pl.A, fig.7; text-fig.24; Sarjeant, 1984c, pl.3, figs.4–6; text-fig.6. NOW Cauca? velata. Originally Hystrichosphaeridium oligacanthum subsp. velatum, subsequently Baltisphaeridium oligacanthum subsp. velatum (Appendix A), thirdly Cleistosphaeridium? oligacanthum subsp. velatum, fourthly (and now) Cauca? velata. Age: Paleocene.
Parent: Hystrichosphaeridium oligacanthum