Deflandrea dartmooria subsp. medcalfii

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"subsp. medcalfii" (Stover, 1974, p.175–176, pl.3, figs.3a–c; text-figs.3G,6C) Lentin and Williams, 1976, p.39.  Holotype: Stover, 1974, pl.3, figs.3a–c.  NOW Cerodinium medcalfii.  Originally Deflandrea medcalfii, subsequently Deflandrea dartmooria subsp. medcalfii, thirdly Ceratiopsis medcalfii (combination illegitimate), fourthly (and now) Cerodinium medcalfii.  Age: middle Paleocene.

Parent: Deflandrea dartmooria