Hystrichokolpoma eisenackii subsp. turgidum

"subsp. turgidum" (Williams and Downie, 1966a, p.178–179, pl.17, fig.5) Lentin and Williams, 1973, p.71.  Holotype: Williams and Downie, 1966a, pl.17, fig.5.  NOW Hystrichokolpoma cinctum subsp. turgidum.  Originally Hystrichokolpoma eisenackii var. turgidum, subsequently Hystrichokolpoma eisenackii subsp. turgidum, thirdly Hystrichokolpoma bulbosum subsp. turgidum, fourthly (and now) Hystrichokolpoma cinctum subsp. turgidum.  Age: late Eocene.

Parent: Hystrichokolpoma eisenackii