Wetzeliella articulata subsp. conopia

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"subsp. conopia" (Williams and Downie, 1966b, p.184, pl.18, fig.5) Lentin and Williams, 1973, p.141.  Holotype: Williams and Downie, 1966b, pl.18, fig.5.  NOW Charlesdowniea tenuivirgula subsp. conopia.  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: Wetzeliella articulata