Hystrichosphaera biformis

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"biformis" Wiesner, 1936, p.154, pl.7, fig.9.  Holotype: Wiesner, 1936, pl.7, fig.9.  Name not validly published: generic name not validly published until 1937.  NOW Hystrichosphaeridium?.  Originally Hystrichosphaera (name not validly published), subsequently Hystrichosphaeridium, thirdly (and now) Hystrichosphaeridium?.  Age: Late Cretaceous.

Parent: Hystrichosphaera