Lithoperidinium piriforme subsp. piriforme
From dinoflaj2
"subsp. piriforme". Autonym. Holotype: Lefèvre, 1933b, text-fig.17. NOW Peridinites piriformis subsp. piriformis. Originally (and now) Peridinites piriformis subsp. piriformis, subsequently Lithoperidinium piriforme subsp. piriforme. Parent: Lithoperidinium piriforme