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Acanthaulax downiei

"Acanthaulax downiei" (Sarjeant, 1960a, p.138-139) Sarjeant, 1976c, p.6.

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? Questionable assignment: Stover and Evitt (1978, p.137) - however, Sarjeant (1982b, p.47) retained the species in Acanthaulax without question.

AGE: Kimmeridgian.


Infraspecific taxa:


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DINOFLAJ (c) 1998