Baltisphaeridium downiei Appendix A

"downiei" Sarjeant, 1960a, p.138–139.  Holotype: Downie, 1957, pl.20, fig.10 (as Hystrichosphaeridium pattei Valensi, 1949); Jan du Chêne et al., 1986a, pl.3, figs.7–9.  NOW Cribroperidinium?.  Originally Baltisphaeridium, subsequently Acanthaulax, thirdly Acanthaulax?, fourthly Cyclonephelium, fifthly (and now) Cribroperidinium?.  Age: Kimmeridgian.

Parent: Baltisphaeridium_Appendix A