In the course of an investigation of Carboniferous fructifications and their contained spores, 3 species of the genus Cordaianthus were studied. The pollen grains from all 3 species were identical; they consisted of a central body possessing a triradiate scar on the proximal surface, and surrounded by a bladder, which assumed different configurations, depending upon the orientation of the grain. The form genus, Florinites, is probably conspecific with the pollen of Cordaianthus.

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