"Cyclonephelium downiei" (Sarjeant, 1960a, p.138) Ioannides et al., 1977, p.451.
TYPE: Holotype: Downie, 1957, pl.20, fig.10, as Hystrichosphaeridium pattei; Jan du Chêne et al., 1986a, pl.3, figs.7-9. HISTORY: NOW: Cribroperidinium?. Originally Baltisphaeridium (Appendix A), subsequently Acanthaulax, thirdly Acanthaulax?, fourthly Cyclonephelium, fifthly (and now) Cribroperidinium?. AGE: Kimmeridgian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |