Charlesdowniea columna
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"columna" (Michoux, 1988, p.28,30, pl.1, figs.2-3,5-6; pl.2, figs.3-5; text-figs.7A-B) Lentin and Vozzhennikova, 1990, p.74. Holotype: Michoux, 1988, pl.1, figs.2-3. NOW Piladinium. Originally Kisselevia, subsequently Charlesdowniea, thirdly (and now) Piladinium. N.I.A. Age: Early Eocene.
</CENTER> Parent: Charlesdowniea