Peridinites sphaericus var. minor
From dinoflaj2
"var. minor" Lefèvre, 1933b, p.224; text-fig.24. Holotype: Lefèvre, 1933b, text-fig.24. Originally Peridinites sphaericus var. minor, subsequently Peridinites sphaericus subsp. minor, thirdly Lithoperidinium sphaericum subsp. minus. Taxonomic senior synonym (at specific rank): Peridinites sphaericus, according to Harding and Lewis (1994, p.837). Age: Early Tertiary. Parent: Peridinites sphaericus