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Cyclonephelium distinctum subsp. brevispinatum

"Cyclonephelium distinctum subsp. brevispinatum" (Millioud, 1969, p.427-428, pl.1, figs.8-9) Lentin and Williams, 1973, p.36.

TYPE: Holotype: Millioud, 1969, pl.1, figs.8-9.

HISTORY: NOW: Cyclonephelium brevispinatum. Originally Cyclonephelium distinctum var. brevispinatum, subsequently Cyclonephelium distinctum subsp. brevispinatum, thirdly (and now) Cyclonephelium brevispinatum, fourthly Circulodinium brevispinatum (combination not validly published).

AGE: Late Hauterivian-Early Aptian.


Infraspecific taxa:


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