Cordosphaeridium gracile forma areolatum

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forma areolatum (Eisenack, 1954b, p.67, pl.12, fig.21) Williams and Fensome, 2016, p.140.  Holotype: Eisenack, 1954b, p.67, pl.12, fig.21.  Originally Hystrichosphaeridium inodes subsp. gracile forma areolatum, subsequently (and now) Cordosphaeridium gracile forma areolatumWilliams and Fensome (2016, p.140) noted that the distinctive surface texture described by Eisenack (1954b) may be a preservational artifact, and hence they recommended that this taxon be restricted to its type.  Age: Oligocene.

Parent: Cordosphaeridium gracile