Tetrachacysta keenei
From dinoflaj2
?keenei Marshall, 1989, p.51-52, pl.7, figs.1-12; text-figs.15A-C. Holotype: Marshall, 1989, pl.7, figs.5-7; text-fig.15B; Fensome et al., 1996, figs.4-6,11 - p.2179. Questionable assignment: Marshall (1989, p.51). Age: Turonian-Early Santonian.
Parent: Tetrachacysta
