Lithoperidinium piriforme subsp. compactum
From dinoflaj3
"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