Tetrachacysta baculata
From dinoflaj3
?baculata Backhouse, 1988, p.110–111, pl.42, figs.4–5; pl.51, figs.2–3. Holotype: Backhouse, 1988, pl.42, fig.5; Fensome et al., 1996, fig.2 — p.2059. Questionable assignment: Backhouse (1988, p.110). Age: late Tithonian–Valanginian.
Parent: Tetrachacysta