Heteraulacacysta leptalea
From dinoflaj3
leptalea Eaton, 1976, p.305–306, pl.21, figs.1–2. Holotype: Eaton, 1976, pl.21, fig.1; Bujak et al., 1980, pl.10, fig.7. Questionable assignment: Eaton (1976, p.305); however, Bujak in Bujak et al. (1980, p.60) assigned the species to Heteraulacacysta without question. Age: middle-late Eocene.