Baltisphaeridium asteroideum Appendix A
From dinoflaj2
asteroideum (Maslov, 1956, p.262, pl.86, fig.13) Downie and Sarjeant, 1965, p.87. Holotype: Maslov, 1956, pl.86, fig.13. Originally Hystrichosphaera, subsequently Hystrichosphaeridium, thirdly (and now) Baltisphaeridium. This combination was not validly published in Downie and Sarjeant (1963, p.87), since these authors did not fully reference the basionym. Age: Late Cretaceous.
Parent: Baltisphaeridium
