Lithoperidinium piriforme subsp. compactum

"subsp. compactum" (Lefèvre, 1933b, p.225, text-figs.19-20) Lentin and Williams, 1993, p.402.  Holotype: Lefèvre, 1933b, text-figs.19-20.  NOW Peridinites piriformis subsp. compactus.  Originally Peridinites piriformis var. compactus, subsequently (and now) Peridinites piriformis subsp. compactus, thirdly Lithoperidinium piriforme subsp. compactum.  Age: Early Tertiary. Parent: Lithoperidinium piriforme