Tetrachacysta baculata
From dinoflaj2
?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