Membranilarnacia pterococcoides var. minuta
From dinoflaj3
"var. minuta" Rozen, 1965, p.312–313, pl.2, figs.4–5; text-figs.23–24. Name not validly published: holotype not designated. Originally Membranilarnacia pterococcoides var. minuta (name not validly published), subsequently Membranilarnacia pterococcoides subsp. minuta (name not validly published), thirdly Eatonicysta pterococcoides subsp. minuta (name not validly published). Age: late Eocene.
Parent: Membranilarnacia pterococcoides