Kisselevia tenuivirgula subsp. conopia

"subsp. conopia" (Williams and Downie, 1966b, p.184, pl.18, fig.5) Costa and Downie, 1979, p.44.  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: Kisselevia tenuivirgula