Sverdrupiella downiei
From dinoflaj3
"downiei" Bujak and Fisher, 1976, p.51, pl.7, figs.1–6; text-fig.2I. Holotype: Bujak and Fisher, 1976, pl.7, figs.1–2; text-fig.2I. Taxonomic senior synonym: Sverdrupiella septentrionalis, according to Below (1987a, p.101). Age: ?Carnian–Norian.
Parent: Sverdrupiella