Membranilarnacia densa
From dinoflaj3
"densa" Cookson and Eisenack, 1974, p.71, pl.25, fig.19; pl.29, fig.19. Holotype: Cookson and Eisenack, 1974, pl.25, fig.19. Taxonomic senior synonym: Membranilarnax (as Valensiella?) clathroderma, according to Stover and Evitt (1978, p.64). Age: late Eocene.
Parent: Membranilarnacia