Charlesdowniea tenuivirgula subsp. conopia

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subsp. conopia (Williams and Downie, 1966b, p.184, pl.18, fig.5) Lentin and Vozzhennikova, 1989, p.227.  Holotype: Williams and Downie, 1966b, pl.18, fig.5.  Originally Wetzeliella articulata var. conopia, subsequently Wetzeliella articulata subsp. conopia, thirdly Kisselevia tenuivirgula subsp. conopia, fourthly (and now) Charlesdowniea tenuivirgula subsp. conopia.  Age: Early Eocene. Parent: Charlesdowniea tenuivirgula